The peel contains 90% Lactic acid and is a step-up from Lacti-Firm 30/10. Lactic acid is an alpha-hydroxy acid (fruit acid) derived from milk. Lacti-firm peels, the acid is combined with a plumping ingredient – DMAE. It’s a very comfortable, skin-firming and revitalising treatment with little if any, social downtime. This peel facilitates shedding of dead skin cells during the treatment and Lactic acid brightens & hydrates the skin.