This low pH acid cream masque contains a combination of exfoliating acids to assist in skin renewal and rejuvenation by helping to improve the overall appearance of breakout-prone skin.Environ recommends: If excessive dryness or flaking of the skin occurs, discontinue use until the skin has settled before reintroducing the masque.*Warning:This product contains Salicylic Acid as a keratolytic agent. Avoid using this product if any known allergies to the ingredients exist. Avoid if allergic to Aspirin.Shelf life: 10-12 weeks from opening