SELF ADAPTING POLYMERS FOR ANHYDROUS SUNSCREEN FORMULATIONS
First Claim
Patent Images
1. An anhydrous composition comprising a sun-care active and a self adapting polymer wherein the composition exhibits an increase in hydrophobicity after contact with water.
6 Assignments
0 Petitions
Accused Products
Abstract
Compositions comprising sun-care actives and self adapting polymers are disclosed. Self adapting polymers align themselves with the hydrophilic group pointing to the surface during application thus delivering an aesthetically pleasing surface to the consumers with a pleasant after feel. These polymers then rearrange upon contact with water so that the hydrophobic groups now point to the surface which then increases the water resistance of the formulation.
-
Citations
18 Claims
- 1. An anhydrous composition comprising a sun-care active and a self adapting polymer wherein the composition exhibits an increase in hydrophobicity after contact with water.
-
18. A method for enhancing the SPF-value of a sun-care active in UV-photoprotecting sun-care compositions comprising admixing a polymer selected from the group consisting of a vinyl caprolactam/VP/dimethylaminoethyl methacrylate copolymer, a VP/vinylcaprolactam/DMAPA acrylates copolymer, a vinylcaprolactam/VP/dimethylaminoethyl methacrylate/octyl acrylamide copolymer, a VA/butyl maleate/isobornyl acrylate copolymer and combinations thereof with a sun-care composition comprising an anhydrous solvent and a sun-care active in an amount effective to enhance the SPF value of said sun-care active.
Specification