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 ...

And yet, polyglutamic acid—derived from fermented soybeans and long used in Japanese skincare regimens—is said to be more ...

Lesser known, yet increasingly powerful, PGA is the unlikely acid that's gaining popularity in skincare right now ...

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 ...

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 ...

If you wish for shiny, hydrated hair, you’ve probably tried all sorts of conditioners and hair masks. Maybe you’ve wondered about ingredients that could actually pull moisture into the hair, keeping ...

Vegetable glycerin is a clear, odorless liquid usually made from soy, palm, and coconut oils. It has a sweet taste. It is generally safe and has many applications. Manufacturers regularly use it in ...