| 摘要 |
There are topical emulsion compositions having a cosmetic drug or medicinal active, a novel compound of the present invention, and a vehicle. The novel compound is represented by a formula selected from the group consisting of L-A-H and A-L-H, wherein L is a lipophilic moiety, A is an aromatic moiety, and H is a hydrophilic moiety. Also provided are methods of emulsifying a composition; improving the photostability of a composition; and enhancing the effectiveness of a sunscreen composition. |
