Antioxidants help protect skin from sun damage by neutralizing harmful free radicals caused by UV exposure. Learn how ingredients like vitamin C, niacinamide, and green tea support your SPF — and which formulas dermatologist Sandra Lee, MD (aka Dr. . Skin exposure to solar ultraviolet radiation and pollutants causes several skin disorders, calling for protection methods such as sunscreen application. Traditional sunscreens protect against UV radiation but not visible light; tinted sunscreens with iron oxide offer broader protection. This dual-functional system captures light signals, transforms them into electrical impulses and enables multi-class gesture and activity. . Direct sun exposure is one of the most aggressive factors for human skin. Sun radiation contains a range of the electromagnetic spectrum including UV light.
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