What is the purpose of using sunscreen?
Why should I use sunscreen? Sunscreen reduces your overall UV exposure and lowers your risk of skin cancer and sun damage.
How did sunscreen start?
1938 A Swiss chemistry student named Franz Greiter suffers sunburn while climbing Mount Piz Buin on the Swiss-Austrian border and sets out to invent an effective sunscreen.
Does SPF 50 mean 50 minutes?
What does it mean when a sunscreen is SPF 50? Dr. Berson: An SPF 50 product protects you from 98% of the UVB “burning” rays that penetrate your skin. … Sunscreen can either be effective for up to 40 minutes or up to 80 minutes in water.
Why is sunscreen important for black skin?
Sunscreen prevents premature aging as prolonged sun exposure can reduce elasticity, causing fine lines and wrinkles. It also helps to maintain your even skin tone as sun exposure worsens hyperpigmentation- dark spots and blotches on your skin.