Drometrizole Trisiloxane

BarrierAntioxidant

INCI: Drometrizole Trisiloxane

In short · TL;DR

Category

Base & Functional

Effect

A highly photostable silicone-based UV filter that absorbs UVA-UVB (commonly known as Mexoryl XL)

Concentration

Roughly a few % in sunscreen formulations (the maximum depends on each country's regulations)

Effect

A highly photostable silicone-based UV filter that absorbs UVA-UVB (commonly known as Mexoryl XL)

Mechanism

The benzotriazole skeleton absorbs a broad band; the silicone chain provides oil solubility and photostability

Typical concentration

Roughly a few % in sunscreen formulations (the maximum depends on each country's regulations)

Onset

Functions immediately after application

Cautions

Permitted use varies, e.g. in the United States. Drug-like efficacy claims are not permitted

Evidence & references

https://pubchem.ncbi.nlm.nih.gov/compound/9848888

This page is reference information and does not guarantee efficacy. Figures vary by test conditions (in vitro / manufacturer / concentration). It does not indicate pharmaceutical efficacy.

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