Humectants are substances that attract water. In personal care products, they help hydrate the skin, hair, or nails. Hyaluronic acid and glycerin are examples of humectants. Humectants are different ...

A humectant is a common moisturizing agent found in lotions, shampoos, and other beauty products used for your hair and skin. They’re known for their ability to retain moisture while also preserving ...

Glycerin can help moisturize and protect the skin. But, on the face, it may dehydrate and cause blistering, especially if undiluted. Only use glycerin-containing products like soaps or lotions, and ...

No one likes dry skin and hair. Not only can dry skin cause discomfort, but it can worsen conditions like eczema or put you at risk for skin infections. Dry hair feels brittle and straw-like, and the ...

Every product on this page was chosen by a Harper's BAZAAR editor. We may earn commission on some of the items you choose to buy. Similar to collagen and elastin, the amount of naturally-occurring ...