Category: topical
Aliases: Azelex, Finacea, Skinoren
Saturated C9 dicarboxylic acid. Multiple mechanisms: normalises follicular keratinisation, antimicrobial against Cutibacterium acnes + Demodex, mild tyrosinase inhibition (hyperpigmentation), anti-inflammatory via KLK5 + PAR-2 pathway (rosacea).