What It Is:A nightly resurfacing serum with a high-potency 15% glycolic acid complex and 1.5% retinol.What It Does:Achieve and maintain the look of smooth, radiant and hydrated skin with this nightly resurfacing serum that provides transformative results overnight and over time. The high-potency 15% glycolic acid complex and 1.5% time-released microencapsulated retinol visibly help improve the look of texture, clarity, uneven tone, fine lines and wrinkles. Retinol is time-released for gentle yet effective resurfacing and bursts gradually all night long. Niacinamide helps diminish the look of discoloration, while allantoin and adenosine help soothe skin's appearance. Hyaluronic acid and collagen help plump the look of skin with moisture for a youthful-looking glow.Key Ingredients:- 15% glycolic acid complex and 1.5% time-released retinol visibly help improve the look of texture, clarity, fine lines and wrinkles.- Niacinamide helps diminish the look of uneven tone and discoloration.- Allantoin and adenosine help soothe skin's appearance.- Hyaluronic acid and collagen work to help plump the look of skin with moisture.Free Of...Sulfates Sls and Sles, parabens, formaldehydes, formaldehyde-releasing agents, phthalates, mineral oil, retinyl palmitate, oxybenzone, coal tar, hydroquinone, triclosan and triclocarban. Contains less than 1% of synthetic fragrances.Clinical Results:- 100% agreed skin did not feel tight or dry.*- 97% agreed the look of texture was improved.*- 97% agreed skin had improved clarity.*- 94% agreed skin looked renewed and less dull.*- 91% agreed skin appeared more even-toned.**Based on a 4-week consumer perception study on 34 women, ranging in age from 37 to 55.