- UVB radiation is responsible for tanning and burns while UVA is responsible for photo-aging, sun intolerance and melanchromatic disorders. For you to remember: UVBurning- UVAging!
- SPF index refers only to UVB radiation.
- Clouds only retain 20-25% of UV radiation so clouds are not a substitute for sunscreen. Sand, water, asphalt, snow, cement reflect 3-25% of UV radiation. We are exposed to both direct and reflected radiation!
- Sunscreen should not be applied on infants under 6 months of age because direct exposure to the sun is not recommended at this age.
- A SPF50 sunscreen, filters the 98% of UV radiation while a SPF30 sunscreen blocks 96.7%!!
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