UV filter

Terephthalylidene Dicamphor Sulfonic Acid

Also known as Mexoryl SX

A water-soluble, photostable UVA filter.

Irritation: GentleRarely causes irritation.
Pore-clogging: Not established
Pregnancy: No specific caution flagged.

Other names on labels

Ecamsule, Mexoryl SX

Found in

Kiehl's Ultra Light Daily UV Defense SPF 50 PA++++#7 on label
La Roche-Posay Anthelios UVMune 400 Invisible Fluid SPF50+#10 on label

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For information only, not medical advice. Always patch-test new products and see a dermatologist for skin conditions.