Neutrogena® Clear & Defend+ Daily Serum 30 ml, is a lightweight serum with a clinically proven formula containing a powerful blend of BHA (Salicylic Acid), AHA (Glycolic and Mandelic Acid) and PHA (Gluconolactone) for daily use. The formula helps to prevent breakouts thanks to its pore unclogging formula and is clinically proven to improve the appearance of acne marks. Formulated with Salicylic acid (BHA), a known purifying agent, to help defend against future breakouts in combination with a 10 % AHA/PHA blend consisting of: 5 % Glycolic Acid (AHA) that increases surface skin cell turnover (in vitro) to help fade coloured marks left after acne.2.55 % of peeling agent, Mandelic Acid (AHA), that acts on skin's regular surface renewal process to help improve skin radiance. 2.45 % Gluconolactone (PHA) to help clear pores and refines skin texutre. Even outs skin tone and boosts skin radiance.Use:New users should apply product to small areas during the first 3 days. If no discomfort occurs, apply a thin layer once a day on clean face, then increase to twice a day if desired. If dryness or peeling occurs, reduce application to oncea day or every other day.30 ml Neutrogena Clear & Defend+ Daily Serum 30 ml