What happens to antioxidants in the presence of excessive sun exposure?

• A. They enhance the skin's elasticity
• B. They lose their ability to protect cells
• C. They increase collagen production
• D. They decrease pigmentation

Answer: (B)

In the presence of excessive sun exposure, antioxidants lose their ability to protect cells because they become depleted. Antioxidants play a crucial role in neutralizing free radicals generated by UV radiation, which can cause oxidative stress and damage to skin cells. When there is an overload of UV radiation, the reserves of antioxidants can become overwhelmed, leading to a reduction in their protective effects. This depletion can hinder the skin's ability to repair itself and protect against further UV-induced damage, making it essential to maintain adequate antioxidant levels to help safeguard against sun damage and promote overall skin health.