Retinoid-containing microcapsules, a method of preparation, and pharmaceutical compositions containing the retinoid-containing microcapsules

摘要

The present invention relates to a microcapsule comprising a pharmaceutically active agent selected from retinoids, an anionic hydrophilic polymer (especially gum arabic), and a cationic hydrophilic polymer (especially type A gelatin). The invention also relates to a method for producing the microcapsules, a topical pharmaceutical composition comprising the microcapsules, and the dermatological use.