Avène Cleanance Aha Exfoliating Serum Is Designed To Enhance Your Skin's Appearance Using A Blend Of Patented Natural Acids That Are 1.5 Times More Effective Than Salicylic Acid**. Experience A Smoother Skin Texture Within Just 10 Days***. The Unique Combination Of Lactic And Succinic Acids Works To Diminish Blemishes, Refine Pores, And Lighten Marks. Additionally, Glutamic Acid Helps In Controlling Excess Oil Production. Infused With Avène Thermal Spring Water, This Formula Calms, Fortifies, And Balances Sensitive Skin. With Just 10 Ingredients, 99% Of Which Are Derived From Natural Sources, It's Specifically Crafted For Sensitive And Acne-prone Skin. Key Advantages Include: Anti-blemish: Minimizes Pimples And Blackheads. Anti-stain: Fades Leftover Marks. Smooth Skin Texture: Tightens Pores And Smooths Overall Skin Quality. *patent Registered. **ex Vivo Study Using An Explant Model, Comparing The Effects Of Lactic + Succinic Acids Versus Salicylic Acid At Similar Concentrations On The Stiffness Of The Stratum Corneum. ***clinical Trial Involving 74 Participants, Applying The Product Morning And/or Evening.