Mexoryl XL
Photostable oil-soluble UVA+UVB filter used with Mexoryl SX. Australia allows 10%. Long international use without a major systemic signal.
Drometrizole trisiloxane is a lipophilic benzotriazole filter with peaks around 303 nm and 344 nm. The siloxane tail makes it compatible with silicone oils. L’Oréal markets it as Mexoryl XL, usually paired with water-soluble Mexoryl SX.
Australia’s TGA Table 9 (August 2025) lists a 10% maximum for listed therapeutic sunscreens. The EU cap is higher at 15%. It is not a US OTC-monograph active.
It is a large lipophilic molecule with low expected skin penetration and a long record of international use. Contemporary standalone human toxicology is thinner than for bemotrizinol, but there is no major current systemic safety signal.
Sources
Sunscreens with Mexoryl XL
- Cetaphil UVA/UVB Defence Octisalate 5% Titanium dioxide 4.15% Avobenzone 3.5% Mexoryl SX 1% Bemotrizinol 3% Octocrylene 2.5% Ethylhexyl triazone 1% Mexoryl XL 0.5% Mineral + chemical SPF50+ · cream
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La Roche-Posay
Anthelios Invisible Fluid Facial Sunscreen
Mexoryl XL 2%
Ethylhexyl triazone 4.5%
Bemotrizinol 4%
Avobenzone 3.5%
Mexoryl SX 0.5%
Octisalate 5%
Chemical
SPF50+ · fluid
-
La Roche-Posay
Anthelios Invisible Spray Sunscreen
Octisalate 5%
Homosalate 5%
Ethylhexyl triazone 4.5%
Bemotrizinol 4.5%
Avobenzone 3.5%
Mexoryl XL 2%
Mexoryl SX 0.33%
Chemical
SPF50+ · spray
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La Roche-Posay
Anthelios KA+ Sunscreen
Avobenzone 4%
Mexoryl XL 0.5%
Bemotrizinol 4.5%
Octisalate 4.5%
Titanium dioxide 4.1%
Ethylhexyl triazone 4.5%
Mexoryl SX 0.99%
Mineral + chemical
SPF50+ · cream
-
La Roche-Posay
Anthelios Tinted Fluid Facial Sunscreen
Mexoryl XL 2%
Ethylhexyl triazone 4.5%
Bemotrizinol 4%
Avobenzone 3.5%
Mexoryl SX 0.5%
Octisalate 4.75%
Chemical
SPF50+ · fluid
-
La Roche-Posay
Anthelios Ultra BB Cream
Avobenzone 3%
Octisalate 5%
Bemotrizinol 5%
Ethylhexyl triazone 3.5%
Mexoryl XL 3%
Mexoryl SX 0.3%
Chemical
SPF50+ · cream
-
La Roche-Posay
Anthelios Ultra Facial Sunscreen
Avobenzone 3%
Octisalate 5%
Bemotrizinol 5%
Ethylhexyl triazone 3.5%
Mexoryl XL 3%
Mexoryl SX 0.3%
Chemical
SPF50+ · lotion
- La Roche-Posay Anthelios UVMune 400 Ultra Invisible Fluid Bemotrizinol 4.5% Avobenzone 4.5% DHHB 0.5% Mexoryl XL 0.5% Mexoryl SX 0.33% Ethylhexyl triazone 4.5% Octisalate 5% Mexoryl 400 1% Chemical SPF50+ · fluid
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La Roche-Posay
Anthelios UVMune 400 Ultra Invisible Kids Fluid
Bemotrizinol 6%
Avobenzone 4.5%
DHHB 0.5%
Mexoryl XL 0.5%
Ethylhexyl triazone 4.5%
Mexoryl 400 1%
Ensulizole 0.5%
Chemical
SPF50+ · fluid
-
La Roche-Posay
Anthelios Wet Skin Sunscreen
Bemotrizinol 4.5%
Avobenzone 3.5%
Ethylhexyl triazone 4.5%
Homosalate 10%
Mexoryl XL 5%
Octisalate 5%
Chemical
SPF50+ · lotion
-
La Roche-Posay
Anthelios XL Anti-Shine Dry Touch Facial Sunscreen
Avobenzone 5%
Octocrylene 5%
Titanium dioxide 0.83%
Octisalate 5%
Homosalate 6%
Bemotrizinol 3%
Ethylhexyl triazone 4%
Mexoryl XL 3%
Mexoryl SX 0.99%
Mineral + chemical
SPF50+ · lotion
-
La Roche-Posay
Anthelios XL Anti-Shine Dry Touch Tinted Sunscreen
Avobenzone 5%
Octocrylene 4.5%
Titanium dioxide 5%
Octisalate 5%
Homosalate 10%
Bemotrizinol 3%
Ethylhexyl triazone 3.5%
Mexoryl XL 3%
Mexoryl SX 0.99%
Mineral + chemical
SPF50+ · cream