Why are UVA and UVB Rays Dangerous?
UVA (Ultra-Violet A) rays penetrate the skin deeply and cause wrinkles, sun induced aging, and increase UVB cancer causing effects. UVB (Ultra Violet B) causes sunburn and is a major cause of skin cancer. Read This Next • Sunscreen for Skin Protection • Protect Your Skin by Being Smart About Sun Protection This Summer • Sunscreen Smarts How do Sunscreen and Sun Block Work? • Sunscreen contains chemicals that absorb UV rays, preventing them from being absorbed by your skin and reducing your chances of developing sunburns, skin damage, and skin cancer. • Sun block physically deflects UV rays. • Broad Spectrum sunscreens with an SPF over 15 protect against UVA and UVB rays. • Some sunscreen products contain antioxidants, which prevent skin damage. • Titanium dioxide blocks UVB and one type of UVA (UVA1). • Mexoryl blocks only UVA. • Homosalate blocks only UVB.What is Zinc Oxide? Zinc oxide is the broadest spectrum UVA and UVB reflector that is approved for use as a sunscreen by the FDA. Z
