| abstract |
An antimicrobial and/or anti-acne formulation containing either usnic acid or an usnate, together with (a) a primary solvent or solvent system in which the usnic acid or usnate is at least partially dissolved; (b) a glycol; and (c) a hydrophobic fatty acid, fatty alcohol or derivative thereof. The formulation may also contain (d) an alkylene glycol derivative. |