Adapalene is a stable naphthoic acid derivative that displays a strong
retinoid agonist pharmacology. This drug controls cell proliferation
and differentiation, and possesses significant anti-inflammatory actio
n. The retinoid action of adapalene are mediated by the ligand-activat
ed gene transcription factors retinoic acid receptors RAR beta and RAR
gamma. We describe here how an aqueous gel containing adapalene was s
elected for the topical treatment of acne.