Science
Mechanism of Action
Functions as a chemical sunscreen by absorbing UVB wavelengths and converting photon energy into thermal energy, but simultaneously acts as an endocrine disruptor by binding to estrogen receptors (ERα and ERβ) and potentially altering hormonal gene expression patterns.
Research
Clinical Evidence
High confidenceN/A
Key findings
- 01 European safety committee determined unsafe at concentrations up to 2.0% with inadequate margin of safety below 100
- 02 Demonstrated systemic absorption and tissue distribution in rat studies at 0.05-36 µg/g concentrations
Transparency
Dusting Analysis
Not applicable for dusting analysis as ingredient is banned in major cosmetic markets due to safety violations
The Formula
Formulation
Stability
Demonstrates high lipophilicity with LogP value of approximately 2.8, remains stable under standard storage conditions when protected from oxidative environments
Conflicts
- strong oxidizing agents
Safety
Safety Profile
Prohibited under EU Regulation 1223/2009 Annex II since 2015, FDA classification remains pending with no GRASE status, systemic absorption with endocrine disruption documented
Your Skin
Skin Compatibility
Our Assessment
Verdict
This banned UV filter poses unacceptable endocrine disruption risks that outweigh any photoprotective benefits.
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References
Sources