What It Is: An intensive 4-week at-home face peeling treatment formulated to provide increasingly stronger resurfacing benefits, plus powerful antioxidant protection, to reveal smoother, brighter, younger-looking skin. What It Does: See your skin transform week after week. Four weeks to significantly smoother, brighter, younger-looking skin. Week 1-Radiance and clarity are restored Week 2- Fine lines and pores are visibly diminished Week 3- Deeper lines are visibly reduced Week 4- Tone is evened; skin looks younger Gentle Peel, Radiant Reveal Hydroxy acids are naturally derived acids that gently exfoliate surface skin cells. The hydroxy acid resurfacing power increases gradually to condition your skin for the stronger levels of acid at the end of the treatment.This at -home face peeling treatment contains alpha hydroxy acid (AHA) and polyhydroxy acid (PHA), Lactic Acid and Gluconolactone, to renew and exfoliate the outermost layer of skin. Polyhydroxy acids are larger molecules that have the same resurfacing power as traditional alpha hydroxy acids, but exfoliate in a gentler way. PHAs also have other skin benefits such as moisturization and barrier strengthening. This advanced combination of AHA and PHA in PREVAGE Progressive Renewal Treatment allows for gentler resurfacing than products that are formulated with AHAs only. With the press of a button, you freshly mix each week's supply with powerful antioxidant Idebenone. Idebenone neutralizes free radicals, the unstable molecules that can cause damage to cells through a process called oxidation. It also combats free-radical environmental aggressors like, sun, pollution and smoke, all of which accelerate the signs of aging. This freshly mixed formula of hydroxy acids and Idebenone enhances cell turnover and helps protect newly-revealed cells from environmental aggressors. Freshly mixing the formula ensures that each ingredient is kept intact and potent separately until ready for activation. Once mixed, the ingredients will work together to both gently resurface and protect your skin. How To Use: Apply nightly after cleansing. Suitable for all skin types. Clinically and dermatologist tested.Use nightly for 28 days on freshly cleansed skin. Start with Phase 1. Press cap to release Idebenone. Shake gently to mix. Remove cap and replace with dropper provided. Dispense a dropper-full of product onto your palm. Apply for full face coverage, avoiding contact with eye area. Wait 20 minutes before applying any other products. Leave product on overnight. In the morning, gently wash face before applying other products. Use a daily sunscreen of SPF 30+ for the duration of the treatment. Use Phase 1 for 7 days, shaking lightly to mix before each application. At start of Week 2, change to Phase 2 and follow steps 1 through 4 every night through end of Phase 4.4 x 0.33 oz.