Alyssa Morin is a senior editor at InStyle, where she covers fashion and beauty. She reports on fashion trends, finds the best shopping deals, and reviews makeup, skin care, and hair care products.

The results are gradual and gentle rather than dramatic, which, for most people, turns out to be exactly what their skin ...

Retinol is as close as it gets to a do-it-all topical skin care ingredient; dermatologists love its ability to boost skin cell turnover and spur the production of collagen (collagen being the fiber in ...

A good vitamin C serum can supercharge your skincare routine thanks to its tightening, smoothing and brightening benefits—also providing essential antioxidant protection against UV rays from the ...