Squalane is a moisturizing ingredient used in some skin care products, like anti-aging cream, lip gloss, and sunscreen. It comes from squalene, an oily substance found in people, animals, and plants ...

Many ingredients claim to moisturize your skin, but dermatologists say squalene is the real deal. It’s effective, lightweight, and works for all skin types, including sensitive skin. But what exactly ...

Sharks use it to stay buoyant. Cosmetics makers use it to soften skin. But in the time of COVID-19, squalene’s use in vaccine formulations is what’s bringing attention—and some controversy—to this ...