Humectants are substances that attract and retain water molecules, keeping things moist and hydrated by drawing moisture from the air or from deeper layers of the skin. They are often added to skin ...

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 ...

Humectants are ingredients used in topical skin care products. Their primary function is to boost hydration by drawing moisture into the skin. "Like little hydration magnets, they attract water to the ...