SUCCINIC ACID 0.507OZ. Benefits: This targeted acne treatment combines Succinic Acid, Salicylic Acid & Hyaluronic Acid to boost the skins natural exfoliation process helping to decongest pores, visibly reduce redness & actively minimize blemish size while remaining gentle on the skin. Layers perfectly under makeup without flaking. Key Ingredients: 2% Succinic Acid: Visibly reduces blemish size and absorbs excess oil.. 2% Sulfur Powder: Absorbs excess oil and unclogs pores for clearer-looking skinlong term.. 1% Salicylic Acid: Gently exfoliates the skin, reducing dead-skin cell buildup.. Research Results: Clinically proven to improve the appearance of blemishes*. 95% said blemishes were visibly improved in 12 hours*. 91% said redness appeared reduced in 4 hours*. *4-week independent clinical study of 22 people.