Both UVA and UVB rays can damage your skin, just in different ways. One causes premature aging, the other is more prone to causing sunburn, DNA damage, and skin cancer.

Sunscreen protects you from premature aging and skin cancer by absorbing the sun's UV rays. Learn about sun protection, including tips.

Unprotected exposure to the sun's ultraviolet (UV) rays can cause damage to the skin, eyes, and immune system.

Do darker lens always mean better UV protection? “Many people assume that the darker the lens, the more protection – but that’s not the case,” clarifies Bilku.