Formula with: Salicylic acid - for unclogging pores and preventing sebum buildup; Glycolic acid - to promote skin renewal; LHA - to smooth skin surface; Niacinamide - for a soothing effect.

La Roche-Posay Effaclar Serum Ultra Concentrado has proven efficacy: Immediately the skin is purified, becoming fresher and cleaner; Day after day the skin is transformed: It remains mattified; Reduction of pimples, blackheads, and marks; Long-term reduction in the appearance of imperfections.

Quickly absorbed texture. Non-greasy finish. Non-comedogenic.