Carrots contain beta-carotene, a precursor of vitamin A, which protects the skin from UV radiation and increases melanin formation and tanning.
Salmon and other omega-3-rich fish boost melanin synthesis, improving tans and protecting skin from oxidative stress and inflammation.
According to one study, spinach is a rich source of chlorophyll, which aids in skin photoprotection by reducing sun-induced damage.
Tomatoes are abundant in the antioxidant lycopene, which protects the skin from sun damage and improves its elasticity and softness.
Catechin, an antioxidant found in green tea, has anti-inflammatory and photoprotective properties that aid in preventing sunburn and enhancing pigmentation.
Another source of beta-carotene that can promote healthful skin and possibly enhance tanning.
Vitamin C, which is abundant in oranges, lemons, and grapefruits, is essential for collagen production and maintaining healthy skin.