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waterless oil-based formula absorbs without residue
comfortable feel after cleansing
and prescription creams and ointments at Derma
collagen products
Best used as part of a consistent daily scalp care routine for at least 8–12 weeks
COSRX PHA BHA Vitamin C Serum 30ml Baldness waterless oil-based formula absorbs withoutCOSRX PHA BHA Vitamin C Serum 30ml Triple Action Exfoliating & Brightening Serum COSRX PHA BHA Vitamin C Serum 30ml is a concentrated Korean skincare treatment that combines three proven actives in a single formula. PHA (Polyhydroxy Acid) delivers gentle surface exfoliation suited to all skin types including sensitive; BHA (Salicylic Acid) penetrates deep into pores to clear congestion, blackheads, and breakouts; and Vitamin C targets