A Ret Gel 0.1% Before and After Photos: How Do You Know it Will Work for Your Skin?
But let’s back up a sec. What is tretinoin, anyway? Tretinoin is a topical retinoid (a form of vitamin A) and the more potent cousin of over-the-counter retinol. It’s 20 times more potent than retinol and has over 50 years of research to back up its safety and efficacy. Plus, tretinoin is the only FDA-approved retinoid for photoaging (aka signs of accelerated skin aging like wrinkles, uneven skin tone, and enlarged pores due to repeated sun exposure).