Tretinoin, which is sold under the brand name Retin-A, is a topical retinoid medication that’s primarily used to treat acne and skin aging, but may also benefit hair loss. Though research is ...

The Internet, meanwhile, is abuzz with another at-home remedy to deal with hair loss: applying tretinoin. If you are a skincare enthusiast, you would know of tretinoin as a game changer for acne.