By A Mystery Man Writer
Theoretically, applying sunscreen with a sun protection factor – SPF – of 100 would allow beachgoers to bare their skin 100 times longer before suffering a sunburn. Someone who would normally redden after 30 minutes in the midday sun could stay out for 50 hours. But for high-SPF sunscreens, theory and reality are two different things.
The trouble with SPF EWG's Guide to Sunscreens
The trouble with SPF EWG's Guide to Sunscreens
La Espiga No.9 100% Nylon Omega, Crochet Thread, Thread for Crafts, Nylon Thread
La Espiga No.9 100% Nylon Omega, Crochet Thread, Thread for Crafts, Nylon Thread
La Espiga No.9 100% Nylon Omega, Crochet Thread, Thread for Crafts, Nylon Thread
The trouble with SPF EWG's Guide to Sunscreens