Oh man. This is a great question. Unfortunately there are so many factors/considerations that it ++
@kindofstephen, a cosmetic and skincare formulator, presents some evidence to suggest that % of SS +
YMMV. You first need to find out which ss filters you can't tolerate. There are a lot of different +
Here's a list of ss filters and why they're best to be avoided or are questionable or safe to use ro
Suntegrity makes tinted lip products with SPF 30+
List of ss filters and their safety rop
I prefer parabens over alternative preservatives; especially formaldehyde-releasing ones. rop