Patent ID: 6197319
Filing Date: 2001-03-06
Classification: A61K,A61Q,Y10S

Abstract:
In a water and silicone oil emulsion cosmetic composition for application to skin or hair containing water and at least one surfactant, the improvement wherein the composition also contains 0.1-50% by weight of the total composition of a water soluble, protein polysaccharide complex (""PPC"") having a net negative charge, which is the reaction product of a protein selected from the group consisting of casein, milk protein, hydrolyzed vegetable protein, and mixtures thereof; and a polysaccharide having pendant hydrophilic groups containing sulfate moieties selected from the group consisting of galactan, galactonmannan, glucomannan and mixtures thereof; and a metallic ion selected from the group consisting of calcium, potassium, sodium, magnesium, according to the following reactions I or II below: ##STR11##wherein: ##STR12##represents the protein; R'OSO.sub.2 O-- represents the polysaccharide; and M++ represents the metallic ion; said reaction conducted at a pH above the isoelectric point of the protein and wherein the ratio of protein to polysaccharide in the complex is 1:50 to 50:1 respectively.