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Sunscreen booster

METHYL HYDROXYPHENYLBUTYLAMINOBENZOATE

CAS 144761-91-1
75

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

A photostabilizing UV filter that helps protect other sunscreen actives from breaking down in light. It extends sun protection performance and is used at low levels, with cautious regulatory acceptance in cosmetics.

Skin benefits

  • UV filter and stabilizer that protects other sunscreen actives from photodegradation
  • Helps maintain SPF and UVA protection over time
  • Used at low concentrations in sunscreen formulations
  • Approved for cosmetic use in some jurisdictions

Known concerns

  • Independent long-term human data on systemic absorption are limited
  • PABA-class structure prompts caution in sensitized individuals, though direct sensitization reports are rare
  • Regulatory status varies between regions (not approved in all markets)
  • Possible photo-reactivity needs proper formulation

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.