The Ordinary Lactic Acid 10% + HA 30ml High Strength Lactic Acid Superficial Peeling Formulation Lactic Acid is an alpha hydroxy acid that exfoliates the skin. This 10% formulation provides gentle exfoliation and is known to reduce signs of inflammation and sensitivity often associated with exfoliation. Fortified with a purified Tasmanian pepper A milder 5% formula is available here This formula contains a Tasmanian Pepperberry derivative that has been studied to reduce irritation associated with acid use This derivative is of plant origin and varies in color seasonally and this color change may occasionally appear in the formula Contraindications: Lactic Acid Not to be used on sensitive, peeling, or irritated skin Please see additional Directions note and other warnings in provided Directions Note: While Lactic Acid provides quickly visible benefits, indirect skin shedding is generally discouraged in favor of direct forms like this formula due to potential inflammation and sensitivity associated with acids. We recommend forms Instructions \nApply once daily, ideally in the PM May be diluted with other treatments to reduce potency until skin tolerance develops Avoid contact with eyes Product contact with skin is of limited frequency or duration