Snow reflects up to 80% of UV rays. That’s why skiers often get notorious goggle tans even on cloudy slopes. Your winter getaway is a secret shade-tan opportunity.
Urban shade is tricky: skyscrapers can create canyons that bounce UV between buildings, increasing exposure by up to 40%. Concrete jungles are sneaky sunbathing studios.
Your car window blocks most UVB, but not UVA—the aging rays. That’s why drivers’ left arms often looks years older than their right. Shade inside a car still ages you, just slower.
