"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Tretinoin, also known as a prescription retinoid, is a dermatologist-loved ingredient that boosts ...

Want to know if a product really works? Welcome to Slow Beauty. Since it can take up to six weeks to see results from using a ...

As a beauty editor, I’ve lost track of how many times I’ve heard dermatologists refer to tretinoin (aka prescription retinol) as the “gold standard” for treating acne, dark spots, wrinkles—basically ...