COMEDOLYTIC PHARMACEUTICAL COMPOSITION AND METHOD FOR PREPARING IT Russian patent published in 2014 - IPC A61K9/10 A61K31/194 A61K47/48 A61P17/10 

FIELD: medicine, pharmaceutics.

SUBSTANCE: invention refers to the pharmaceutical industry and represents a composition for treating acne, rosacea and hyperpigmentation, in the form of a gel which contains anchoic acid, a hydrophobic ingredient, a non-aqueous solvent, an emulsifying agent, a gel-forming polymer, a preserving agent, a pH control agent and additionally methylpyrrolidone with anchoic acid having a particle size of less than 100 mcm, while anchoic acid is related to methylpyrrolidone as 1:0.025 to 1:4.

EFFECT: invention provides easy penetration of anchoic acid through a horny layer and its resolution into the oil grand ducts and between skin cells, providing high concentration of anchoic acid that promotes better antibacterial, keratolytic and de-pigmentation effects.

5 cl, 2 tbl, 1 ex