Cosmetic composition for imparting to human skin a coloration resembling a natural tan

Claim 2

A cosmetic composition for imparting to human skin after exposure to sunlight a coloration resembling a natural tan comprising a cosmetic vehicle, suitable for topical application to the skin, selected from the group consisting of (i) a hydroalcoholic solution, (ii) a glycerin-alcoholic solution and (iii) a glycerine hydroalcoholic solution of at least one compound selected from the group consisting of (a) a compound of the formula ##STR3## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxy, or when R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a), said alcohol being ethanol or isopropanol and being present in said cosmetic vehicles (i), (ii) and (iii) in an amount between 10 and 90 weight percent thereof and said glycerine being present in said cosmetic vehicles (ii) and (iii) in an amount between 0.5 and 5 weight percent thereof, and said compound being present in an amount of 0.5-10 weight percent of said composition.

Claim 3

A cosmetic composition for imparting to human skin after exposure to sunlight a coloration resembling a natural tan comprising a cosmetic vehicle suitable for topical application to the skin comprising an oleo-alcohol composition containing a vegetable oil, a lower alkyl ester and a lower alcohol having 1-4 carbon atoms, and at least one compound selected from the group consisting of (a) a compound of the formula ##STR4## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxy, or when R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a), said vegetable oil being present in an amount of 0.2 to 5 weight percent of the total weight of said cosmetic composition, said alkyl ester being present in an amount of 5 to 40 weight percent of the total weight of said cosmetic composition, said alcohol being present in an amount of 35-80 weight percent of the total weight of said cosmetic composition and said compound being present in an amount of 0.5 to 3 weight percent of said cosmetic composition.

Claim 4

A cosmetic composition for imparting to human skin after exposure to sunlight a coloration resembling a natural tan comprising a cosmetic vehicle suitable for topical application to the skin comprising an oleo-alcohol composition containing a vegetable oil, a lower alkyl ester and a lower alcohol having 1-4 carbon atoms, and at least one compound selected from the group consisting of (a) a compound of the formula ##STR4## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxy, or when R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a), said vegetable oil being present in an amount of 0.2 to 5 weight percent of the total weight of said cosmetic composition, said alkyl ester being present in an amount of 5 to 40 weight percent of the total weight of said cosmetic composition, said alcohol being present in an amount of 35-80 weight percent of the total weight of said cosmetic composition and said compound being present in an amount of 0.5 to 3 weight percent of said cosmetic composition.

Claim 5

The composition of claim 2 wherein said vegetable oil is colza oil, olive oil, peanut oil, coconut oil or palm oil.

Claim 6

The composition of claim 2 wherein said alkyl ester is isopropyl myristate or isopropyl palmitate.

Claim 7

The composition of claim 2 wherein said alcohol is ethanol.

Claim 8

A cosmetic composition for imparting to human skin after exposure to sunlight a coloration resembling a natural tan comprising a cosmetic vehicle suitable for topical application to the skin comprising an aqueous gel including a surfactant and a gel forming agent, and at least one compound selected from the group consisting of (a) a compound of the formula ##STR5## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxy, or when R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a), said surfactant being present in an amount of 1-25 weight percent of the total weight of said cosmetic composition, said gel forming agent being present in an amount of 0.5-5 weight percent of the total weight of said cosmetic composition and said compound being present in an amount of 0.5-10 weight percent of said cosmetic composition.

Claim 9

A cosmetic composition for imparting to human skin after exposure to sunlight a coloration resembling a natural tan comprising a cosmetic vehicle suitable for topical application to the skin comprising an aqueous gel including a surfactant and a gel forming agent, and at least one compound selected from the group consisting of (a) a compound of the formula ##STR5## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxy, or when R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a), said surfactant being present in an amount of 1-25 weight percent of the total weight of said cosmetic composition, said gel forming agent being present in an amount of 0.5-5 weight percent of the total weight of said cosmetic composition and said compound being present in an amount of 0.5-10 weight percent of said cosmetic composition.

Claim 10

The composition of claim 6 wherein said surfactant is a fatty alcohol having 12-18 carbon atoms oxyethylenated with 4-15 moles of ethylene oxide, nonylphenol oxyethylenated with 6-12 moles of ethylene oxide or a carboxylic derivative of imidazole.

Claim 11

The composition of claim 6 wherein said gel forming agent is cellulose ether, carboxy methyl cellulose or crosslinked polyacrylic acid.

Claim 12

A cosmetic composition for imparting to human skin after exposure to sunlight a coloration resembling a natural tan comprising a cosmetic vehicle, suitable for topical application to the skin, selected from the group consisting of (1) a hydroalcoholic solution containing 10-90 weight percent alcohol, (2) an ethanolic glycerine lotion, (3) an oleoethanolic composition containing a vegetable oil, a lower alkyl ester and an alcohol containing 1-4 carbon atoms, (4) an aqueous gel including a surfactant and a gel forming agent, and (5) an oil-in-water emulsion including a surfactant, an oil, a thickening agent and a humectant,

Claim 13

A cosmetic composition for imparting to human skin after exposure to sunlight a coloration resembling a natural tan comprising a cosmetic vehicle, suitable for topical application to the skin, selected from the group consisting of (1) a hydroalcoholic solution containing 10-90 weight percent alcohol, (2) an ethanolic glycerine lotion, (3) an oleoethanolic composition containing a vegetable oil, a lower alkyl ester and an alcohol containing 1-4 carbon atoms, (4) an aqueous gel including a surfactant and a gel forming agent, and (5) an oil-in-water emulsion including a surfactant, an oil, a thickening agent and a humectant,

Claim 14

5-10 weight percent of said composition of at least one compound selected from the group consisting of (a) a compound of the formula: ##STR6## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxyl, or when R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a), and 0.5-5 percent by weight of a solar filter.

Claim 15

5-10 weight percent of said composition of at least one compound selected from the group consisting of (a) a compound of the formula: ##STR6## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxyl, or when R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a), and 0.5-5 percent by weight of a solar filter.

Claim 16

The composition of claim 9 wherein said solar filter is selected from the group consisting of benzylidene camphor, ethyl hexyl p-methoxy cinnamate, amyl p-dimethylamino benzoate, 5-benzoyl-4-hydroxy-2-methoxy benzene sulfonic acid, hydroxy propylenated derivative of ethyl p-amino benzoate and the diethanolamine salt of p-methoxy cinnamic acid.

Claim 17

A cosmetic composition for imparting to human skin after exposure to sunlight a coloration resembling a natural ten comprising a cosmetic vehicle, suitable for topical application to the skin, which is an oleoethanolic composition containing a vegetable oil, a lower alkyl ester and an alcohol containing 1-4 carbon atoms, said vegetable oil being present in an amount of 5-40 weight percent, the alcohol being present in an amount of 35-80 weight percent and the alkyl ester being present in an amount of 5-40 weight percent, and 0.5-10 weight percent of said composition of at least one compound selected from the group consisting of (a) a compound of the formula ##STR7## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxy, or where R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a).

Claim 18

A cosmetic composition for imparting to human skin after exposure to sunlight a coloration resembling a natural ten comprising a cosmetic vehicle, suitable for topical application to the skin, which is an oleoethanolic composition containing a vegetable oil, a lower alkyl ester and an alcohol containing 1-4 carbon atoms, said vegetable oil being present in an amount of 5-40 weight percent, the alcohol being present in an amount of 35-80 weight percent and the alkyl ester being present in an amount of 5-40 weight percent, and 0.5-10 weight percent of said composition of at least one compound selected from the group consisting of (a) a compound of the formula ##STR7## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxy, or where R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a).

Claim 19

A cosmetic composition packaged under pressure in an aerosol container for imparting to human skin after exposure to sunlight a coloration resembling a natural tan comprising a cosmetic vehicle, suitable for topical application to the skin, selected from the group consisting of (1) a hydroalcoholic solution containing 10-90 weight percent alcohol, (2) an ethanolic glycerine lotion, (3) an oleoethanolic composition containing a vegetable oil, a lower alkyl ester and an alcohol containing 1-4 carbon atoms, (4) an aqueous gel including a surfactant and a gel forming agent, and (5) an oil-in-water emulsion including a surfactant, an oil, a thickening agent and a humectant, and 0.5-10 weight percent of said composition of at least one compound selected from the group consisting of (a) a compound of the formula: ##STR8## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxyl, or when R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a).

Claim 20

A cosmetic composition packaged under pressure in an aerosol container for imparting to human skin after exposure to sunlight a coloration resembling a natural tan comprising a cosmetic vehicle, suitable for topical application to the skin, selected from the group consisting of (1) a hydroalcoholic solution containing 10-90 weight percent alcohol, (2) an ethanolic glycerine lotion, (3) an oleoethanolic composition containing a vegetable oil, a lower alkyl ester and an alcohol containing 1-4 carbon atoms, (4) an aqueous gel including a surfactant and a gel forming agent, and (5) an oil-in-water emulsion including a surfactant, an oil, a thickening agent and a humectant, and 0.5-10 weight percent of said composition of at least one compound selected from the group consisting of (a) a compound of the formula: ##STR8## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxyl, or when R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a).

Claim 21

A cosmetic composition for imparting to human skin after exposure to sunlight a coloration resembling a natural tan comprising a cosmetic vehicle suitable for topical application to the skin comprising an oil-in-water emulsion, said emulsion containing 2 to 20 weight percent surfactant, 10-50 weight percent fatty phase, 0-6 weight percentthickening agent and 0-15 weight percent humectant, and at least one compound selected from the group consisting of (a) a compound of the formula ##STR9## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxy, or when R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a), said compound being present in an amount of 0.5-10 weight percent of said cosmetic composition, and said surfactant is a fatty alcohol having 12-18 carbon atoms oxyethylenated with 10-15 moles of ethylene oxide, isopropyl palmitate, isopropyl myristate, glycerol monostearate, polyoxyethylenated sorbitan monostearate, partially sulfated or partially oxyethylenated cetyl-stearyl alcohol, or a mixture thereof.

Claim 22

A cosmetic composition for imparting to human skin after exposure to sunlight a coloration resembling a natural tan comprising a cosmetic vehicle suitable for topical application to the skin comprising an oil-in-water emulsion, said emulsion containing 2 to 20 weight percent surfactant, 10-50 weight percent fatty phase, 0-6 weight percentthickening agent and 0-15 weight percent humectant, and at least one compound selected from the group consisting of (a) a compound of the formula ##STR9## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxy, or when R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a), said compound being present in an amount of 0.5-10 weight percent of said cosmetic composition, and said surfactant is a fatty alcohol having 12-18 carbon atoms oxyethylenated with 10-15 moles of ethylene oxide, isopropyl palmitate, isopropyl myristate, glycerol monostearate, polyoxyethylenated sorbitan monostearate, partially sulfated or partially oxyethylenated cetyl-stearyl alcohol, or a mixture thereof.

Claim 23

The composition of claim 13 wherein said thickening agent is starch, crosslinked polyacrylic acid or diethylene glycol stearate.

Claim 24

The composition of claim 13 wherein said humectant is glycerine.

Claim 25

A cosmetic composition for imparting to human skin after exposure to sunlight a coloration resembling a natural tan comprising a cosmetic vehicle, suitable for topical application to the skin, wherein said cosmetic vehicle is an aqueous gel including a surfactant and a gel forming agent, and which also includes a silicone oil in an amount up to about 2 weight percent, and 0.5-10 weight percent of said composition of at least one compound selected from the group consisting of (a) a compound of the formula: ##STR10## wherein R1 represents hydrogen or amino, R2 represents hydrogen, lower alkyl or amino, R3 represents hydrogen, lower alkyl or amino, R4 represents hydrogen, lower alkyl or chlorine, R5 represents hydrogen, lower alkyl or hydroxyl, or when R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a).

Claim 26

A cosmetic composition for imparting to human skin after exposure to sunlight a coloration resembling a natural tan comprising a cosmetic vehicle, suitable for topical application to the skin, wherein said cosmetic vehicle is an aqueous gel including a surfactant and a gel forming agent, and which also includes a silicone oil in an amount up to about 2 weight percent, and 0.5-10 weight percent of said composition of at least one compound selected from the group consisting of (a) a compound of the formula: ##STR10## wherein R1 represents hydrogen or amino, R2 represents hydrogen, lower alkyl or amino, R3 represents hydrogen, lower alkyl or amino, R4 represents hydrogen, lower alkyl or chlorine, R5 represents hydrogen, lower alkyl or hydroxyl, or when R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a).

Claim 27

A cosmetic composition for imparting to human skin after exposure to sunlight a coloration resembling a natural tan comprising a cosmetic vehicle, suitable for topical application to the skin, wherein said cosmetic vehicle is an aqueous gel including a surfactant and a gel forming agent and wherein said surfactant is present in an amount of 1-25 weight percent and said gel forming agent is present in an amount of 0.5-4 weight percent, and 0.5-10 weight percent of said composition of at least one compound selected from the group consisting of (a) a compound formula: ##STR11## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxyl, or when R 1 is amino, R 5 can also represent amino, with the proviso that R1, R 2 and R 3 are not simultaneously amino, and at least one of R1, R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a).

Claim 28

A cosmetic composition for imparting to human skin after exposure to sunlight a coloration resembling a natural tan comprising a cosmetic vehicle, suitable for topical application to the skin, wherein said cosmetic vehicle is an aqueous gel including a surfactant and a gel forming agent and wherein said surfactant is present in an amount of 1-25 weight percent and said gel forming agent is present in an amount of 0.5-4 weight percent, and 0.5-10 weight percent of said composition of at least one compound selected from the group consisting of (a) a compound formula: ##STR11## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxyl, or when R 1 is amino, R 5 can also represent amino, with the proviso that R1, R 2 and R 3 are not simultaneously amino, and at least one of R1, R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a).

Claim 29

A process for coloring human skin comprising applying to the skin a composition comprising a cosmetic vehicle, suitable for topical applications to the skin, selected from the group consisting of (1) a hydroalcoholic solution containing 10-90 weight percent alcohol, (2) an ethanolic glycerine lotion, (3) an oleoethanolic composition containing a vegetable oil, a lower alkyl ester and an alcohol containing 1-4 carbon atoms, (4) an aqueous gel including a surfactant and a gel forming agent, and (5) an oil-in-water emulsion including a surfactant, an oil, a thickening agent and a humectant, and

Claim 30

A process for coloring human skin comprising applying to the skin a composition comprising a cosmetic vehicle, suitable for topical applications to the skin, selected from the group consisting of (1) a hydroalcoholic solution containing 10-90 weight percent alcohol, (2) an ethanolic glycerine lotion, (3) an oleoethanolic composition containing a vegetable oil, a lower alkyl ester and an alcohol containing 1-4 carbon atoms, (4) an aqueous gel including a surfactant and a gel forming agent, and (5) an oil-in-water emulsion including a surfactant, an oil, a thickening agent and a humectant, and

Claim 31

5-10 weight percent of said composition of at least one compound selected from the group consisting of (a) a compound of the formula: ##STR12## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxyl, or when R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a), in an amount effective to color said skin after exposure to ultraviolet rays and exposing the skin to ultraviolet rays for a time effective to develop a color resembling a natural tan on the skin.

Claim 32

5-10 weight percent of said composition of at least one compound selected from the group consisting of (a) a compound of the formula: ##STR12## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxyl, or when R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a), in an amount effective to color said skin after exposure to ultraviolet rays and exposing the skin to ultraviolet rays for a time effective to develop a color resembling a natural tan on the skin.

Claim 33

The process of claim 18 wherein said cosmetic vehicle is (3) and wherein said vegetable oil is present in an amount of 5-40 weight percent, the alcohol is present in an amount of 35-80 weight percent and the alkyl ester is present in an amount of 5-40 weight percent.

Claim 34

The process of claim 18, wherein said cosmetic vehicle is (4) and wherein said surfactant is present in an amount of 1-25 weight percent and said gel forming agent is present in an amount of 0.5-4 weight percent.

Claim 35

The process of claim 18, wherein said cosmetic vehicle is (4) and which also includes a silicone oil in an amount up to about 2 weight percent.

Claim 36

The process of claim 18, wherein said cosmetic vehicle is (5) and wherein said surfactant is present in an amount of 2-20 weight percent, said oil is present in an amount of 10-50 weight percent, said thickening agent is present in an amount of 0-6 weight percent and said humectant is present in an amount of 0-15 weight percent.

Claim 37

A process for imparting to human skin a coloration resembling a natural tan comprising applying to said skin a composition comprising a cosmetic vehicle, suitable for topical application to the skin, selected from the group consisting of (i) a hydroalcoholic solution, (ii) a glycerinalcoholic solution and (iii) a glycerine hydroalcoholic solution of at least one compound selected from the group consisting of (a) a compound of the formula ##STR13## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxy, or when R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a), said alcohol being ethanol or isopropanol and being present in said cosmetic vehicles (i), (ii), and (iii) in an amount between 10 and 90 weight percent thereof and said glycerine being present in said cosmetic vehicles (ii) and (iii) in an amount between 0.5 and 5 weight percent thereof, and said compound being present in an amount of 0.5-10 weight percent of said composition; in an amount effective to color said skin after exposure to ultraviolet rays and exposing the skin to ultraviolet rays for a time effective to develop a color resembling a natural tan on the skin.

Claim 38

A process for imparting to human skin a coloration resembling a natural tan comprising applying to said skin a composition comprising a cosmetic vehicle, suitable for topical application to the skin, selected from the group consisting of (i) a hydroalcoholic solution, (ii) a glycerinalcoholic solution and (iii) a glycerine hydroalcoholic solution of at least one compound selected from the group consisting of (a) a compound of the formula ##STR13## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxy, or when R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a), said alcohol being ethanol or isopropanol and being present in said cosmetic vehicles (i), (ii), and (iii) in an amount between 10 and 90 weight percent thereof and said glycerine being present in said cosmetic vehicles (ii) and (iii) in an amount between 0.5 and 5 weight percent thereof, and said compound being present in an amount of 0.5-10 weight percent of said composition; in an amount effective to color said skin after exposure to ultraviolet rays and exposing the skin to ultraviolet rays for a time effective to develop a color resembling a natural tan on the skin.

Claim 39

A process for imparting to human skin after exposure to sunlight a coloration resembling a natural tan comprising applying to said skin a composition comprising a cosmetic vehicle suitable for topical application to the skin comprising an oleo-alcohol composition containing a vegetable oil, a lower alkyl ester and a lower alcohol having 1-4 carbon atoms, and at least one compound selected from the group consisting of (a) a compound of the formula ##STR14## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxy, or when R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a), said vegetable oil being present in an amount of 0.2 to 5 weight percent of the total weight of said cosmetic composition, said alkyl ester being present in an amount of 5 to 40 weight percent of the total weight of said cosmetic composition, said alcohol being present in an amount of 35-80 weight percent of the total weight of said cosmetic composition and said compound being present in an amount of 0.5 to 3 weight percent of said cosmetic composition; in an amount effective to color said skin after exposure to ultraviolet rays and exposing the skin to ultraviolet rays for a time sufficient to develop a color resembling a natural tan on the skin.

Claim 40

A process for imparting to human skin after exposure to sunlight a coloration resembling a natural tan comprising applying to said skin a composition comprising a cosmetic vehicle suitable for topical application to the skin comprising an oleo-alcohol composition containing a vegetable oil, a lower alkyl ester and a lower alcohol having 1-4 carbon atoms, and at least one compound selected from the group consisting of (a) a compound of the formula ##STR14## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxy, or when R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a), said vegetable oil being present in an amount of 0.2 to 5 weight percent of the total weight of said cosmetic composition, said alkyl ester being present in an amount of 5 to 40 weight percent of the total weight of said cosmetic composition, said alcohol being present in an amount of 35-80 weight percent of the total weight of said cosmetic composition and said compound being present in an amount of 0.5 to 3 weight percent of said cosmetic composition; in an amount effective to color said skin after exposure to ultraviolet rays and exposing the skin to ultraviolet rays for a time sufficient to develop a color resembling a natural tan on the skin.

Claim 41

The process of claim 24 wherein said vegetable oil is colza oil, olive oil, peanut oil, coconut oil or palm oil.

Claim 42

The process of claim 24 wherein said alkyl ester is isopropyl myristate or isopropyl palmitate.

Claim 43

The process of claim 24 wherein said alcohol is ethanol.

Claim 44

A process for imparting to human skin after exposure to sunlight a coloration resembling a natural tan comprising applying to the skin a composition comprising a cosmetic vehicle suitable for topical application to the skin comprising an aqueous gel including a surfactant and a gel forming agent, and at least one compound selected from the group consisting of (a) a compound of the formula ##STR15## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxy, or when R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a), said surfactant being present in an amount of 1-25 weight percent of the total weight of said cosmetic composition, said gel forming agent being present in an amount of 0.5-5 weight percent of the total weight of said cosmetic composition and said compound being present in an amount of 0.5-10 weight percent of said cosmetic composition; in an amount effective to color said skin after exposure to ultraviolet rays and exposing said skin to ultraviolet rays for a time effective to develop a color resembling a natural tan on the skin.

Claim 45

A process for imparting to human skin after exposure to sunlight a coloration resembling a natural tan comprising applying to the skin a composition comprising a cosmetic vehicle suitable for topical application to the skin comprising an aqueous gel including a surfactant and a gel forming agent, and at least one compound selected from the group consisting of (a) a compound of the formula ##STR15## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxy, or when R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a), said surfactant being present in an amount of 1-25 weight percent of the total weight of said cosmetic composition, said gel forming agent being present in an amount of 0.5-5 weight percent of the total weight of said cosmetic composition and said compound being present in an amount of 0.5-10 weight percent of said cosmetic composition; in an amount effective to color said skin after exposure to ultraviolet rays and exposing said skin to ultraviolet rays for a time effective to develop a color resembling a natural tan on the skin.

Claim 46

The process of claim 28 wherein said surfactant is a fatty alcohol having 12-18 carbon atoms oxyethylenated with 4-15 moles of ethylene oxide, nonylphenol oxyethylenated with 6-12 moles of ethylene oxide or a carboxylic derivative of imidazole.

Claim 47

The process of claim 28 wherein said gel forming agent is cellulose ether, carboxy methyl cellulose or crosslinked polyacrylic acid.

Claim 48

A process for imparting to human skin after exposure to sunlight a coloration resembling a natural tan comprising applying to the skin a composition comprising a cosmetic vehicle suitable for topical application to the skin comprising an oil-in-water emulsion, said emulsion containing 2 to 20 weight percent surfactant, 10-50 weight percent fatty phase, 0-6 weight percent thickening agent and 0-15 weight percent humectant, and at least one compound selected from the group consisting of (a) a compound of the formula ##STR16## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxy, or when R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a), said compound being present in an amount of 0.5-10 weight percent of said cosmetic composition; in an amount effective to color said skin after exposure to ultraviolet rays and exposing said skin to ultraviolet rays for a time effective to develop a color resembling a natural tan on the skin.

Claim 49

A process for imparting to human skin after exposure to sunlight a coloration resembling a natural tan comprising applying to the skin a composition comprising a cosmetic vehicle suitable for topical application to the skin comprising an oil-in-water emulsion, said emulsion containing 2 to 20 weight percent surfactant, 10-50 weight percent fatty phase, 0-6 weight percent thickening agent and 0-15 weight percent humectant, and at least one compound selected from the group consisting of (a) a compound of the formula ##STR16## wherein R 1 represents hydrogen or amino, R 2 represents hydrogen, lower alkyl or amino, R 3 represents hydrogen, lower alkyl or amino, R 4 represents hydrogen, lower alkyl or chlorine, R 5 represents hydrogen, lower alkyl or hydroxy, or when R 1 is amino, R 5 can also represent amino, with the proviso that R 1 , R 2 and R 3 are not simultaneously amino, and at least one of R 1 , R 2 and R 3 is amino, and (b) an acid addition salt of the compound in (a), said compound being present in an amount of 0.5-10 weight percent of said cosmetic composition; in an amount effective to color said skin after exposure to ultraviolet rays and exposing said skin to ultraviolet rays for a time effective to develop a color resembling a natural tan on the skin.

Claim 50

The process of claim 31 wherein said surfactant is a fatty alcohol having 12-18 carbon atoms oxyethylenated with 10-15 moles of ethylene oxide, isopropyl palmitate, isopropyl myristate, glycerol monostearate, polyoxyethylenated sorbitan monostearate, partially sulfated or partially oxyethylenated cetyl-stearyl alcohol, or a mixture thereof.

Claim 51

The process of claim 31 wherein said fatty phase is light petrolatum oil, perhydrosqualene, sweet almond oil, ricin oil, colza oil, olive oil, peanut oil, coconut oil, palm oil, a fatty alcohol having 7 carbon atoms or a saturated fatty acid having 18 carbon atoms.

Claim 52

The process of claim 33 wherein said thickening agent is starch, crosslinked polyacrylic acid or diethylene glycol stearate.

Claim 53

The process of claim 33 wherein said humectant is glycerine.