Mexoryl SX
Sun ProtectionAlso known as: Ecamsule, Terephthalylidene Dicamphor Sulfonic Acid
A patented water-soluble UVA filter developed by L'Oreal. Provides excellent UVA protection and is very photostable.
Routine placement
Sunscreen · AM
Time to results
Immediate UV protection upon application
Excellent UVA protection, water-soluble, photostable, pairs well with other UV filters.
Apply as part of sunscreen. Found primarily in L'Oreal group products.
Highly photostable UVA filter. FDA approved via a different pathway than typical sunscreen ingredients. Strong UVA protection at 345nm.
Cautions
FDA-approved via New Drug Application. Limited availability outside L'Oreal products. Well tolerated.
What does Mexoryl SX do for skin?
Mexoryl SX is used in skincare primarily as a sun protection ingredient. Its effects depend on concentration and formulation. Check the benefits section above for specific details.
Is Mexoryl SX safe for sensitive skin?
Mexoryl SX is generally well-tolerated, but sensitivity varies by individual. Start with a patch test if you have reactive skin, and introduce gradually into your routine.
Can I use Mexoryl SX every day?
For most skin types, daily use is appropriate at standard concentrations. If you experience any irritation, reduce frequency to every other day.
Does your skincare contain Mexoryl SX?
Paste your product's ingredient list to check, or create your Skinularity ID for a full routine.
Find Mexoryl SX products
Browse skincare products containing Mexoryl SX.
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