Skincare Ingredient
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Drometrizole Trisiloxane
In Skincare: Is Drometrizole Trisiloxane Safe? Comedogenic Rating & Side Effects
Safety Information
Quick Insights
At a glance
- 01
Drometrizole Trisiloxane is widely recognized by its trade name, Mexoryl XL.
- 02
This ingredient functions as a photostable filter that protects skin from both UVA and UVB rays.
- 03
L’Oreal developed and patented Drometrizole Trisiloxane as a UV filter.
- 04
Drometrizole Trisiloxane has not yet received approval for broad use in cosmetic formulations within the United States.
Key Benefits
What Drometrizole Trisiloxane does for your skin
Overview
Ingredient Profile
Data & Research
Scientific Facts
Common Uses
Formulation in Drometrizole Trisiloxane
Role of Drometrizole Trisiloxane
Active Cosmetic Mechanisms
LIGHT STABILIZER
UV Protector for ProductsProtects products from degradation caused by light exposure
SCIENTIFIC ANALYSIS
// Evidence: Light stabilizers prevent photodegradation through UV absorbers that convert light energy to heat (benzophenones, benzotriazoles), radical scavengers (hindered amine light stabilizers), or quenchers that deactivate excited states. These protect photosensitive ingredients like fragrances, colors, and vitamins from degradation during storage. Mechanism involves absorbing UV radiation or scavenging photo-generated free radicals.
UV ABSORBER
UV Ray AbsorberAbsorbs ultraviolet radiation to protect product and skin
SCIENTIFIC ANALYSIS
// Evidence: UV absorbers are organic compounds that absorb UV radiation and convert it to harmless heat through molecular excitation and relaxation. Chemical UV filters include avobenzone (UVA), octinoxate (UVB), octocrylene (UVB), and newer broad-spectrum filters. Mechanism involves conjugated double bond systems absorbing photons, reaching excited state, then dissipating energy as heat while returning to ground state. Chromophore structure determines absorption spectrum. Photostability considerations important as some filters degrade under UV exposure.
UV FILTER
Sunscreen AgentBlocks or filters harmful UV radiation
SCIENTIFIC ANALYSIS
// Evidence: UV filters prevent UV light from reaching skin through absorption (chemical filters) or reflection/scattering (physical/mineral filters). Organic filters absorb UV converting to heat; inorganic filters (titanium dioxide, zinc oxide) reflect and scatter UV rays. Broad-spectrum protection covers UVB (290-320nm causing sunburn) and UVA (320-400nm causing aging). SPF measures UVB protection; PA rating or critical wavelength indicates UVA protection. Combination formulations optimize broad-spectrum protection. Must meet regulatory requirements varying by jurisdiction.
Products
containing Drometrizole Trisiloxane
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References
Scientific sources
PubChem, Accessed April 2023, Website
TrAC Trends in Analytical Chemistry, December 2022, ePublication
Indian Journal of Dermatology, January-February 2020, pages 5-10
Journal of the European Academy of Dermatology and Venereology, September 2008, pages 1,110-1,119
Plastic and Reconstructive Surgery, September 2007, pages 1,071-1,075
Photodermatology, Photoimmunology & Photomedicine, October 2004, pages 243-247
Similar Ingredients
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Frequently Asked Questions
Drometrizole Trisiloxane — common questions
What is Drometrizole Trisiloxane in skincare?
Drometrizole Trisiloxane is an organic compound that absorbs ultraviolet (UV) light.
What does Drometrizole Trisiloxane do? / Functions of Drometrizole Trisiloxane?
Common functions: LIGHT STABILIZER, UV ABSORBER, UV FILTER.
What is the comedogenic rating of Drometrizole Trisiloxane? / Is Drometrizole Trisiloxane comedogenic?
The comedogenic rating of Drometrizole Trisiloxane has not been established in our database.
Does it clog pores?
Whether Drometrizole Trisiloxane clogs pores depends on the formulation and concentration.
Is Drometrizole Trisiloxane safe for skin?
Drometrizole Trisiloxane has a safety rating of 2 out of 5. A rating of 2 means it is generally considered safe for most skin types. Note: UV filter used in sunscreens; CIR/EU allow use and it’s generally considered low systemic risk. The Cosmetic Ingredient Review (CIR) Expert Panel has evaluated Drometrizole Trisiloxane and concluded i
Is Drometrizole Trisiloxane good for sensitive skin?
Drometrizole Trisiloxane tolerance on sensitive skin varies by individual.
What are the side effects of Drometrizole Trisiloxane in skincare?
Known considerations: UV filter used in sunscreens; CIR/EU allow use and it’s generally considered low systemic risk. The Cosmetic Ingredient Review (CIR) Expert Panel has evaluated Drometrizole Trisiloxane and concluded it is safe for use in cosmetics at concentrations up to 10%, with limited potential for skin irritation or sensitization.