Sunscreens & Sun Protection Flashcards
1
Q
Apply liberally and reapply:
A
at least every 2 hours
also after swimming or sweating
- a sunscreen can only claim to be water resistant, but only for 40-80 minutes (not waterproof or sweatproof)
keep babies <6 months old out of the sun
2
Q
Time to Burn
A
the time to burn with sunscreen in minutes = SPF x TTB w/o sunscreen
- regardless, sunscreens do not last longer than a couple hours
3
Q
Physical sunscreens may be used as an alternative
A
Zinc oxide
Titanium dioxide
