The Ordinary - Mandelic Acid 10% + Hyaluronic AcidMandelic Acid 10% HA Description: Alpha hydroxy acids are a well established skincare hero. Ingredients such a glycolic, lactic, and malic acid are renowned for their ability to dissolve the skins dulling stratum corneum (the oldest, thinnest, top layer of skin) and reveal the younger, more radiant cells beneath. However, these potent acids can irritate skin, especially sensitive complexions and thats where Mandelic Acid 10% HA comes in. This