Hair colourants
OwnerHendrick Petrus Frick, Ajit Kumarinventors
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Abstract
A composition comprising a cationic dye which is substantive to hair and amphoteric surfactant wherein said amphoteric surfactant consists, at least predominantly of a betaine, preferably a C12-25 alkyl amidopropyl betaine, and the formulation contains less than 15% by weight of sodium chloride based on the weight of betaine.
Claims6
A composition comprising a cationic dye which is substantive to hair and amphoteric surfactant wherein said amphoteric surfactant consists, at least predominantly of a betaine and the formulation contains less than 15% by weight of sodium chloride based on the weight of betaine.
A solid hair colourant comprising particles of a non-hygroscopic betaine, containing less than 15% by weight of sodium chloride and less than 12% by weight of water based on the weight of betaine, and a cationic dye, which is substantive to hair, adsorbed on said particles.
A colourant according to 4, wherein the betaine is an amido propyl betaine.
Dependencies are inferred from the claim text.