Neostrata Clarify Mandelic Mattifying Serum 30ml Mandelic Mattifying Serum Oil and Shine Control 4% Mandelic Acid (AHA), 4% Gluconolactone (PHA) This lightweight, mattifying gel-serum absorbs skin’s surface oils to create a velvety finish, minimising the appearance of pores and controlling shine. An 8% exfoliating blend containing Mandelic Acid and Polyhydroxy Acid (PHA) helps clarify skin and improve the appearance of oily skin. Can be worn over or under makeup to minimise shine. Ideal for Oily and Acne-Prone Skin 1.0 FL OZ | 30 mL