Conditioning shampoo

Claim 1

A conditioning shampoo composition which consists essentially of from about 1% to about 60% by weight anionic or amphoteric surfactant and at least about 0.5% by weight zwitterionic polymer, said polymer containing at least 10% on a molar basis of zwitterionic moiety, having a viscosity of about 100 to 100,000 cps, when tested at 24.5 ± 0.25% non-volatiles in water (with a Brookfield viscometer, using the appropriate spindle and speed) and being selected from a group consisting of (A) polymers of carboxy betaines having the repeating formula ##STR2## wherein, R 1 represents a polymerizable unsaturated group, x and y represent integers from 1 to 3 inclusive, R 2 and R 3 represent hydrogen, methyl, ethyl or propyl radicals, R 4 and R 5 represent a hydrogen atom or an alkyl radical with the total carbon atoms in R 4 and R 5 not exceeding six, and (B) copolymers of monomers (1) and (2), shown below: (1) substituted acidic vinyl compounds having the general formula CR 7 H═CR 8 CO 2 H wherein R 7 represents a hydrogen atom or a carboxylic acid group and R 8 represents a hydrogen atom, a chlorine atom or a methyl group, and (2) substituted basic vinyl compounds having the general formula CH 2 ═CR 6 COQ wherein R 6 represents a hydrogen atom or a methyl group and Q is an organic radical containing a basic nitrogen-containing group, wherein the mole ratio of basic monomer to acidic monomer in said copolymer is from 0.6:1 to 1.5:1, except where R 7 is CO 2 H, the mole ratio is 1.2:1 to 3:1.