Good Molecules Mandelic Acid SerumMandelic Acid Serum by Good Molecules 30ml 1oz Skin exfoliation without compromise. Our combination of three very gentle peeling agents (10% Mandelic Acid, 1% Phytic Acid, and 1% Gluconolactone) helps to promote a clearer, smoother, and more even complexion while also targeting the appearance of fine lines. The Mandelic Acid Serum is ideal for sensitive skin and yields a hydrated skin feel with two sizes of Hyaluronic Acid. See A Difference In Your