Why we love it: Nurx’s Tretinoin Cream is as straightforward as it gets—just a pure, prescription-strength retinoid in 0.025%, 0.05%, and 0.1% concentrations, with the latter packing the ...

Dr. Elise Olsen and associates (Olsen et al., 1997) discovered that reducing the frequency of tretinoin 0.05% cream from once daily to 3 times per week maintains, and in some cases, possibly ...

And while there are plenty of mild, over-the-counter retinol products on the market, if you’re wondering how to get tretinoin ...