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.
These Sunscreens Are Safe to Use, According to EWG's New Report
Nineteen Korean Skincare
EWG's Sunscreen Guide:, EWG's 2019 Guide to Sunscreens
EWG rating for Thrive Market Mineral Sunscreen, SPF 30;, EWG's Guide to Sunscreens
Environmental Working Group - See the guide and more tips: .org/sunscreen/
Environmental Working Group Releases 2018 Sunscreen Guide
Nineteen Korean Skincare
10 Best an Worst Sunscreens (From EWG Sunscreen Guide)
EWG's 17th annual guide to sunscreen
EWG rating for Raw Elements Tinted Daily Face Moisturizer, SPF 30
How to Find a Safer Sunscreen - Sprout San Francisco
Sunscreen Hazards and Recommendations From Environmental Working Group