What's The Difference Between Retinol, Retinal, & Retinoid?

Antonio Hugo Photo/Moment/Getty ImagesThere are roughly a gazillion skincare products on the market right now, and that’s a conservative estimate. Even when you’re trying to solve a specific skin issue and know precisely what active ingredient you want to try, there are so many options to choose from that it can be overwhelming. When it comes to retinol — a vitamin A derivative proven to reduce the appearance of wrinkles and dark spots — things can feel especially confusing. There are retinols, retinals, retin-As, retinoids, tretinoin... you need a cosmetic chemist degree just to shop this pro...

1 week ago  •  On HALO