Which of the following factoids about sunscreen is most surprising to you?
A) 75% of sunscreens (out of 880 tested) don't work as well as advertised.
B) Many contain harmful ingredients like oxybenzone (which disrupts reproductive hormones) and retinyl palmitate (linked to skin tumor development).
C) Aerosol sunscreens offer less protection than traditional cream-based products.
D) Sunscreens above SPF 30 (which already blocks 97% of UVB rays) provide negligible protection from the sun.