What it is: A cream-based exfoliating formula featuring fine riverbed quartz to slough away tired surface cells.Who it's for: Most skin types.What it does: Lactic acid offers a mild chemical exfoliation to leave skin immediately cleansed, soft and polished. Aesop product formulations use botanical and scientifically validated man-made ingredients of the highest quality.How to use: Dispense half a teaspoon into the palm of your hand. Work over your face and neck, including the lips. Avoid the immediate eye area. Allow the quartz and lactic acid to gently exfoliate by employing minimal pressure. Rinse thoroughly with warm water, then follow with your preferred Aesop toner and hydrator.