We asked an expert for the best skincare routine to manage perioral dermatitis, plus makeup products that help conceal red, ...

She explains that niacinamide works by increasing cellular energy, which stimulates collagen production and increases ceramides and fatty acids in the skin, fortifying the barrier and helping it ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Ahead, find out everything you need to know about using these skincare ingredients together, including ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Improper gua sha use can trigger breakouts—especially in acne-prone or sensitive skin—due to poor tool ...