Topically, beta-carotene is theoretically a strong antioxidant, but this advantage is dose-dependent. It also improves the look of dry or weakened skin by preserving suppleness and reducing flaking.

Carotenoids found in the skin also plays a significant function in photoprotection against UV radiation. Both oral supplementation and topical application of carotenoids are efficient means of transmission to the skin with a substantial increase in skin elasticity skin hydration resulting from therapy.

See also:
Antioxidant
UVA
UVB