From the early 20's, you can see some of the signs of skin aging. There's different manifestations of aging. You can get sun spots and a face that has dark spots on it is perceived as being older. It's a big contributor to an aging face. You may develop fine lines and wrinkles from damaged collagen elastin from the UV rays as those are two big things that are affected by the sun.

When Will Sun Damage Begin to Show on My Skin?

If you're worried about the damage you might have been doing to your skin over the years of sun bathing or tanning, Dr. Jennifer Ahdout explains what signs will begin to show first and when.