Your body needs trace amounts of zinc for cell division and other basic biology. Nobody's sure how it works to shorten colds. Karl Tapales/Getty Images hide caption toggle caption Karl Tapales/Getty Images Your body needs…

For the unlubricated—er, uninitiated—there are three main types of lubricants available to level up your pleasure time: silicone-based, oil-based, and water-based. Each comes with its own list of pros and cons, or dos and don’ts.…

“Shopping your stash”—aka making use out of things you already own in an effort to buy less—has become a stronghold of sustainability. We’ve seen it happening in our beauty cabinets, in our closets, and in…

There’s no skin-care ingredient that’s better-studied or more recommended by dermatologist than retinol. In serums and moisturizers, the vitamin A derivative stimulates skin-cell turnover, flips on the collagen pumps within your complexion, and leaves skin…