Why Mandelic Acid Might Be Your New BFF for Acne: Unlike salicylic acid, which can sometimes be harsh and drying, mandelic acid is gentler on the skin while still tackling breakouts, unclogging pores, and improving texture. Its larger molecular size means slower penetration less irritation and more steady results. Perfect for sensitive or acne-prone skin that needs results without the redness. 831 skintherapist esthetician acne glymed estheticiantips