OLAY VIT C & AHA BRIGHTENING DAY SERUM 40ML . Day serum with Vitamin C, AHA & Niacinamide,Clearly brighter skin in 1 day & more even skin tone in 14 days,Penetrates up to 10 layers deep into skin’s surface for optimal efficacy,Our citrus-scented, lightweight Vitamin C serum melts into the skin, does not clog pores,Instant 24H hydration,Dermatologist tested, this brightening Vitamin C serum is designed without synthetic dyes