Beautiful Skins Glycolic Renewal Gel is as equal to a 1% retinol from the dermatologist, Canada or Mexico. No downtime, no sensitivity and you can have sun exposure. That is a must for people who hike or walk outdoors for people in Az and San Diego specifically. Glycolic acid is a substance that chemically exfoliates a person’s skin by dissolving dead skin cells and oils. Glycolic acid may also help boost collagen production, and support skin moisture