Permanent waving compositions containing fatty acid lactylates and glycolates and their method of use

Claim 2

In a permanent waving composition for hair which contains at least one reducing agent for hair wherein the improvement comprises having in the permanent waving composition, at least one humectant compound selected from the group consisting of fatty acid lactylates and fatty acid glycolates of the formula: ##STR3## wherein RCO is an acyl radical of a fatty acid having from about 6 to about 22 carbon atoms, A is CH 3 or H, and x has a value from 1 to about 4, and ammonium, alkali metal and amine salts thereof; the total amount of humectant compound included in said composition being sufficient to impart to hair, permanently waved using the composition, increased moisture retention and insufficient to have a substantial adverse affect on waving efficiency of the hair as compared to hair permanently waved using the composition in the absence of said humectant compound.

Claim 3

A composition as claimed in claim 1 in which the humectant compound is sodium isostearoyl-2-lactylate.

Claim 4

A composition as claimed in claim 2 in which the reducing agent is glycerolmonothioglycolate.

Claim 5

A composition as claimed in claim 1 in which an emulsifying agent is present.

Claim 6

A composition as claimed in claim 4 in which the emulsifying agent is oleth-20.

Claim 7

A composition as claimed in claim 3 in which an emulsifying agent is present.

Claim 8

A composition as claimed in claim 6 in which the emulsifying agent is oleth-20.

Claim 9

In a permanent waving composition for hair which contains at least one reducing aent for hair wherein the improvement comprises having in the permanent waving composition, at least one humectant compound selected from the group consisting of fatty acid lactylates and fatty acid glycolates of the formula: ##STR4## wherein RCO is an acyl radical of a fatty acid having from about 6 to about 22 carbon atoms, A is CH 3 or H, and x has a value from 1 to about 4, and ammonium, alkali metal and amine salts thereof; the ratio of total moles of reducing agent to total moles of humectant compound in said composition being from about 15 to about 80.

Claim 10

In a permanent waving composition for hair which contains at least one reducing aent for hair wherein the improvement comprises having in the permanent waving composition, at least one humectant compound selected from the group consisting of fatty acid lactylates and fatty acid glycolates of the formula: ##STR4## wherein RCO is an acyl radical of a fatty acid having from about 6 to about 22 carbon atoms, A is CH 3 or H, and x has a value from 1 to about 4, and ammonium, alkali metal and amine salts thereof; the ratio of total moles of reducing agent to total moles of humectant compound in said composition being from about 15 to about 80.

Claim 11

A composition as claimed in claim 8 in which the humectant compound is sodium isostearoyl-2-lactylate.

Claim 12

A composition as claimed in claim 9 in which the reducing agent is glycerolmonothioglycolate.

Claim 13

A composition as claimed in claim 9 in which the reducing agent is ammonium bisulfite.

Claim 14

A composition as claimed in claim 7 in which an an emulsifying agent is present.

Claim 15

A composition as claimed in claim 12 in which the emulsifying agent is oleth-20.

Claim 16

A composition as claimed in claim 10 in which an emulsifying agent is present.

Claim 17

A composition as claimed in claim 14 in which the emulsifying agent is oleth-20.

Claim 18

In a two-component permanent waving system which provides a net reducing solution for hair, the first component of the system comprising at least one reducing agent for hair and the second component being a balancer for combination with the first component is preselected proportions to provide the net reducing solution having a select pH for application to hair, the improvement which comprises including in the first component at least one humectant compound selected from the group consisting of fatty acid lactylates and fatty acid glycolates of the formula: ##STR5## wherein RCO is an acyl radical of a fatty acid having from about 6 to about 22 carbon atoms, A is CH 3 or H, and x has a value from 1 to about 4, and ammonium, alkali metal and amines salts thereof; the total amount of humectant compound included in said first component being sufficient to impart to hair, permanent waved using the net reducing solution, increased moisture retention and insufficient to have a substantial adverse affect on waving efficiency of the hair as compared to hair permanently waved using the net reducing solution in the absence of said humectant compound.

Claim 19

In a two-component permanent waving system which provides a net reducing solution for hair, the first component of the system comprising at least one reducing agent for hair and the second component being a balancer for combination with the first component is preselected proportions to provide the net reducing solution having a select pH for application to hair, the improvement which comprises including in the first component at least one humectant compound selected from the group consisting of fatty acid lactylates and fatty acid glycolates of the formula: ##STR5## wherein RCO is an acyl radical of a fatty acid having from about 6 to about 22 carbon atoms, A is CH 3 or H, and x has a value from 1 to about 4, and ammonium, alkali metal and amines salts thereof; the total amount of humectant compound included in said first component being sufficient to impart to hair, permanent waved using the net reducing solution, increased moisture retention and insufficient to have a substantial adverse affect on waving efficiency of the hair as compared to hair permanently waved using the net reducing solution in the absence of said humectant compound.

Claim 20

A two-component permanent waving system as claimed in claim 16 in which the humectant compound is sodium isostearoyl-2-lactylate.

Claim 21

A two-component permanent waving system as claimed in claim 17 in which the reducing agent is glycerolmonothioglycolate.

Claim 22

A two-component permanent waving system as claimed in claim 16 in which the first component includes an emulsifying agent.

Claim 23

A two-component permanent waving system as claimed in claim 19 in which the emulsifying agent is oleth-20.

Claim 24

A two-component permanent waving system as claimed in claim 18 in which the first component includes an emulsifying agent.

Claim 25

A two-component permanent waving system as claimed in claim 21 in which the emulsifying agent is oleth-20.

Claim 26

A two-component permanent waving system as claimed in claim 16 in which the balancer is a buffered aqueous ammoniacal solution.

Claim 27

A two-component permanent waving system as claimed in claim 21 in which the balancer is a buffered aqueous ammoniacal solution.

Claim 28

In a two-component permanent waving system which provides a net reducing solution for hair, the first component of the system comprising at least one reducing agent for hair and the second component being a balancer for combination with the first component in preselected proportions to provide the net reducing solution having a select pH for application to hair; the improvement which comprises including in the first component at least one humectant compound selected from the group consisting of fatty acid lactylates and fatty acid glycolates of the formula: ##STR6## wherein RCO is an acyl radical of a fatty acid having from about 6 to about 22 carbon atoms, A is CH 3 or H, and x has a value from 1 to about 4, and ammonium, alkali metal and amine salts thereof; the ratio of total moles of reducing agent to total moles of humectant compound in said first component being from about 15 to about 80.

Claim 29

In a two-component permanent waving system which provides a net reducing solution for hair, the first component of the system comprising at least one reducing agent for hair and the second component being a balancer for combination with the first component in preselected proportions to provide the net reducing solution having a select pH for application to hair; the improvement which comprises including in the first component at least one humectant compound selected from the group consisting of fatty acid lactylates and fatty acid glycolates of the formula: ##STR6## wherein RCO is an acyl radical of a fatty acid having from about 6 to about 22 carbon atoms, A is CH 3 or H, and x has a value from 1 to about 4, and ammonium, alkali metal and amine salts thereof; the ratio of total moles of reducing agent to total moles of humectant compound in said first component being from about 15 to about 80.

Claim 30

A two-component permanent waving system as claimed in claim 25 in which the humectant compound is sodium isostearoyl-2-lactylate.

Claim 31

A two-component permanent waving system as claimed in claim 26 in which the reducing agent is glycerolmonothioglycolate.

Claim 32

A two-component permanent waving system as claimed in claim 25 in which the first component includes an emulsifying agent.

Claim 33

A two-component permanent waving system as claimed in claim 28 in which the emulsifying agent is oleth-20.

Claim 34

A two-component permanent waving system as claimed in claim 27 in which the first component includes an emulsifying agent.

Claim 35

A two-component permanent waving system as claimed in claim 30 in which the emulsifying agent is oleth-20.

Claim 36

A two-component permanent waving system as claimed in claim 25 in which the balancer is a buffered aqueous ammoniacal solution.

Claim 37

A two-component permanent waving system as claimed in claim 30 in which the balancer is a buffered aqueous ammoniacal solution.

Claim 38

In a process for the permanent waving of hair which includes the steps of contacting mandrel-shaped hair with a solution of a reducing agent for hair to open the disulfide linkages of the hair and the step of closing the disulfide linkages of the mandrel-shaped hair by application of an oxidizing agent to the hair to set the hair in conformity with the shape of the mandrel; the improvement which comprises including in the solution of said reducing agent for hair at least one humectant compound selected from the group consisting of fatty acid lactylates and fatty acid glycolates of the formula: ##STR7## wherein RCO is an acyl radical of a fatty acid having from about 6 to about 22 carbon atoms, A is CH 3 or H, and x has a value from about 1 to about 4, and ammonium, alkali metal and amine salts thereof; the total amount of humectant compound included in said solution of a reducing agent for hair being sufficient to impart to hair, permanently waved in the process, increased moisture retention and insufficient to have a substantial adverse effect on waving efficiency of the hair as compared to hair permanently waved by the process using the solution of the reducing agent for hair in the absence of said humectant compound.

Claim 39

In a process for the permanent waving of hair which includes the steps of contacting mandrel-shaped hair with a solution of a reducing agent for hair to open the disulfide linkages of the hair and the step of closing the disulfide linkages of the mandrel-shaped hair by application of an oxidizing agent to the hair to set the hair in conformity with the shape of the mandrel; the improvement which comprises including in the solution of said reducing agent for hair at least one humectant compound selected from the group consisting of fatty acid lactylates and fatty acid glycolates of the formula: ##STR7## wherein RCO is an acyl radical of a fatty acid having from about 6 to about 22 carbon atoms, A is CH 3 or H, and x has a value from about 1 to about 4, and ammonium, alkali metal and amine salts thereof; the total amount of humectant compound included in said solution of a reducing agent for hair being sufficient to impart to hair, permanently waved in the process, increased moisture retention and insufficient to have a substantial adverse effect on waving efficiency of the hair as compared to hair permanently waved by the process using the solution of the reducing agent for hair in the absence of said humectant compound.

Claim 40

A process as claimed in claim 34 in which the humectant compound is sodium isostearoyl-2-lactylate.

Claim 41

A process as claimed in claim 34 in which said solution of a reducing agent for hair contains an emulsifier.

Claim 42

A process as claimed in claim 36 in which the emulsifier is oleth-20.

Claim 43

A process as claimed in claim 35 in which said solution of a reducing agent for hair contains an emulsifier.

Claim 44

A process as claimed in claim 38 in which the emulsifier is oleth-20.

Claim 45

In a process for the permanent waving of hair which includes the steps of contacting mandrel-shaped hair with a solution of a reducing agent for hair to open the disulfide linkages of the mandrel-shaped hair by application of an oxidizing agent to the hair to set the hair in conformity with the shape of the mandrel; the improvement which comprises including in the solution of said reducing agent for hair at least one humectant compound selected from the group consisting of fatty acid lactylates and fatty acid glycolates of the formula: ##STR8## wherein RCO is an acyl radical of a fatty acid having from about 6 to about 22 carbon atoms, A is CH 3 or H, and x has a value from 1 to about 4, and ammonium, alkali metal and amine salts thereof; wherein the ratio of total moles of reducing agent to total moles of humectant compound in the solution of said reducing agent is about 15 to about 80.

Claim 46

In a process for the permanent waving of hair which includes the steps of contacting mandrel-shaped hair with a solution of a reducing agent for hair to open the disulfide linkages of the mandrel-shaped hair by application of an oxidizing agent to the hair to set the hair in conformity with the shape of the mandrel; the improvement which comprises including in the solution of said reducing agent for hair at least one humectant compound selected from the group consisting of fatty acid lactylates and fatty acid glycolates of the formula: ##STR8## wherein RCO is an acyl radical of a fatty acid having from about 6 to about 22 carbon atoms, A is CH 3 or H, and x has a value from 1 to about 4, and ammonium, alkali metal and amine salts thereof; wherein the ratio of total moles of reducing agent to total moles of humectant compound in the solution of said reducing agent is about 15 to about 80.

Claim 47

A composition as claimed in claim 40 in which the humectant compound is sodium isostearoyl-2-lactylate.

Claim 48

A process as claimed in claim 40 in which said solution of a reducing agent for hair contains an emulsifier.

Claim 49

A process as claimed in claim 42 in which the emulsifier is oleth-20.

Claim 50

A process as claimed in claim 41 in which said solution of a reducing agent for hair contains an emulsifier.

Claim 51

A process as claimed in claim 44 in which the emulsifier is oleth-20.