Ingredient Layering
Can I Use Mexoryl 400 and Mexoryl SX Together?
Great Together
Mexoryl 400 and Mexoryl SX work great together!
What You Should Know
- •These ingredients complement each other and can be used in the same routine.
- •Apply in order of thinnest to thickest consistency.
- •Both can be used in the same routine step without conflicts.
Recommended Layering Order
Step 1
Mexoryl 400
uv filter
Step 2
Mexoryl SX
uv filter
General rule: apply thinnest/most active ingredients first, thicker/occlusive ingredients last.
uv filter
The first filter that protects against the long-UVA wavelengths linked to daily aging and pigmentation — and currently only L'Oréal has it.
uv filter
L'Oréal's proprietary UVA filter — the one piece of modern filter tech US gets to have (limited).
More Layering Combos
What pairs with Mexoryl 400?
What pairs with Mexoryl SX?
Frequently Asked Questions
Can I use Mexoryl 400 and Mexoryl SX together?
Mexoryl 400 and Mexoryl SX work great together! They can be layered in the same K-beauty routine.
Should I apply Mexoryl 400 before or after Mexoryl SX?
Apply thinnest/most active first. Based on their categories, apply Mexoryl 400 first, then follow with the other.
Are there products with both Mexoryl 400 and Mexoryl SX?
We don't currently track any products that combine Mexoryl 400 and Mexoryl SX as key ingredients. Layering two separate products is the typical approach.
Is Mexoryl 400 stronger than Mexoryl SX?
Mexoryl 400 has 5/5 clinical evidence; Mexoryl SX has 4/5. Mexoryl 400 has stronger clinical evidence.