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uv-filter

Methylene Bis-Benzotriazolyl Tetramethylbutylphenol

Generally safe·Strong evidence

A broad-spectrum organic UV filter that absorbs both UVB and UVA and also stabilizes other sunscreen filters. The EU SCCS reviewed both the standard and nano particle-size forms and concluded it does not pose a risk to consumers on healthy, intact skin at up to 10 percent, citing negligible skin penetration due to particle size.

Worth knowing

  • Restricted in the EU

EU-approved as a UV filter up to 10%, including its nano form under specific labeling requirements.

Products with Methylene Bis-Benzotriazolyl Tetramethylbutylphenol

References

Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.