The Ordinary AHA 30% + BHA 2% Peeling Solution - 1 fl oz

Description With 30% Alpha Hydroxy Acids (Glycolic/Lactic/Tartaric/Citric), 2% Beta Hydroxy Acid (Salicylic Acid), Hyaluronic Acid Crosspolymer, Vitamin B5, Black Carrot and Tasmanian PepperberryAlpha hydroxy acids (AHA) exfoliate the skin's topmost surface for a brighter and more even appearance. Beta hydroxy acids (BHA) work both on the skin surface and inside pores to help clear congestion. This combined 32% AHA/BHA solution offers deeper exfoliation to help fight visible textural irregularities, while targetting the look of fine lines with continued use.This pH of this formula is approximately 3.6. Glycolic Acid, the primary AHA present in the formula, has a pKa of 3.6. The pKa is the most important aspect to consider when formulating with acids as it implies acid availability. When pKa is close to pH, there is an ideal balance between salt and acidity, maximizing the efficacy of the acid and reducing the potential of developing irritation. Higher pH values in such a case would i