If you pass someone on the street who has dewy skin, they likely drink a lot of water, get a lot of sleep — and slather their skin with humectants. This category of skin care ingredients is one of the ...

Summer skin care is all about protecting your skin from sun, salt, and sweat. But come winter, a new set of challenges arrives. Cold weather and dry, indoor air can leave skin parched at best, or ...

Glycerin, a humble skincare ingredient, quietly hydrates and protects skin without the hype. This clear, syrupy liquid acts as a humectant, drawing moisture in and locking it in place, combating ...