MICROSPHERE CONTAINING WATER SOLUBLE ACTIVE MATERIALS AND FAT SOLUBLE ACTIVE MATERIALS BY MULTIPLE EMULSION, METHOD FOR PREPARATION THE MICROSPHERE, AND COSMETIC COMPOSITION COMPRISING THE MICROSPHERE

摘要

PURPOSE: A microsphere containing a water soluble active material and an oil soluble active material is provided to simplify processes. CONSTITUTION: A microsphere containing a water soluble active material and an oil soluble active material by a multiple emulsion comprises: an inner layer (w1) containing the water soluble active material dissolved in purified water; an organic layer (o) which surrounds the inner layer and contains a liquid soluble active material and a hydrophobic polymer dissolved in an organic solvent; and an outer layer (w2) which surrounds the organic layer and contains an emulsification stabilizing agent dissolved in purified water. A cosmetic composition contains the microsphere.