We asked dermatologists how collagen for the skin works, what to look for and how it can improve the look of fine lines, wrinkles, sagging skin and other aging concerns.

Skin cancer is the most common type of cancer, with an estimated 1 in 5 Americans receiving a skin cancer diagnosis in their lifetime. And skin cancer cases are rising, with the American Academy ...

Retinol also increases the skin’s production of collagen, a protein that boosts firmness and elasticity. “Beginning in our 20s, we start to lose about 1 percent of our skin’s collagen per ...