SKIN PERFECTING 8% AHA Gel is a completely non-abrasive, leave-on exfoliant that gently and naturally helps shed built-up layers of dead skin, just like your skin did when you were younger. This unique formula revitalizes skin’s surface, creates noticeable radiance, smooths the appearance of wrinkles, and makes your skin look and feel remarkably soft. With ongoing use, it can help promote firmer-looking skin.This exfoliant has an optimal pH range of 3.5–3.9.