hi, there are sunscreens that are Chemical, and sunscreens that
are Physical:
Chemical sunscreens absorb UV rays:
Octylmethylcinnamate, avobenzone, PARSOL1789, PABA, Mexoryl,
Benzophone, oxybenzone, octocrylene, homosalte
Physical Sunscreens reflect UV rays:
zinc oxide, titanium dioxide