Salicylic Acid (CAS 69-72-7): The BHA That Clears Pores and Fades Marks Without the Hype
A practical supplier guide to Salicylic acid (CAS 69-72-7): what the beta-hydroxy acid is (C7H6O3, MW 138.12, EINECS 200-712-3, mp 158-161 C, density 1.44, ethanol-soluble, 2-8 C storage), how its keratolytic and lipophilic action clears pores and fades marks, typical 0.5-2% use levels in acne and exfoliating formulas, pH setting with citric acid, smart pairings with kojic acid, alpha-arbutin, vitamin C, GHK-Cu, squalane, mild surfactants and Argireline, plus EU SCCS/1675/25 safety limits and buyer COA notes.
