PH RESPONSIVE NANO PARTICLES AS STABILIZER OF FUNCTIONAL COSMETIC AGENT

摘要

PURPOSE: A pH responsive nanoparticle for cosmetic product containing (metha)acrylic acid and (metha)acrylate compound is provided to prevent reduction of stability and absorb pH responsive nanoparticle. CONSTITUTION: A pH responsive nanoparticle comprises [(metha)acrylic acid, poly(ethylene glycol)(metha)acrylate and copolymer hydrogel of cross-linking agent. The (metha)acrylic acid is contained 20-80 weight% based on the content of (metha)acrylic acid and poly(ethylene glycol)(metha)acrylate. When the pH responsive nanoparticle contact the skin, the functional cosmetic material is released to the outside of pH responsive nanoparticle.