Ingredient library
Every ingredient SkinAtlas knows about — all 2161 of them. What each one does, what it works well with, and what to watch for.
AllActiveAntioxidantBarrier supportEmollientExfoliantFragranceHumectantOtherPreservativeSolvent / vehicleSoothingSurfactantUV filter
2 ingredients in UV filter matching "acid"
UV filter
Phenylbenzimidazole Sulfonic Acid
PHENYLBENZIMIDAZOLE SULFONIC ACID
A water-soluble UVB UV filter (Ensulizole). Approved by FDA and EU (up to 4%). Converts UV energy to heat. Best used in combination with UVA filters due to its narrow UVB-only spectrum.
UV-filter
✓ UVB filter (290-320 nm)✓ Water-soluble — suitable for lightweight sunscreens
⚠ Generates free radicals on UV exposure when used alone — typically combined with UVA filters
+ Butyl Methoxydibenzoylmethane+ Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine
UV filter
Terephthalylidene Dicamphor Sulfonic Acid
A water-soluble, photostable organic UVA filter (Ecamsule/Mexoryl SX) approved in the EU at up to 10% that absorbs UV radiation predominantly in the UVA range.
uva-filterphotostabilizer
✓ Provides broad UVA protection (290–400 nm, peak at 345 nm)✓ Highly photostable; does not degrade on sunlight exposure✓ Water-soluble, suitable for lightweight fluid sunscreen formulations
⚠ Approved up to 10% in the EU; not FDA-approved for OTC sunscreens in the US as a standalone filter⚠ Very low systemic absorption; minimal safety concerns reported in studies