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GAMMA-TERPINENE

CAS 99-85-4
55

Safety score · 0–100

Moderate

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

A monoterpene restricted under EU Annex III due to photosensitization and allergen concerns.

Gamma-Terpinene is a naturally occurring monoterpene found in citrus and other essential oils. It is listed in EU Annex III/132, meaning it is restricted as a cosmetic ingredient. It exhibits photosensitizing properties and is recognized as a fragrance allergen under Regulation (EC) No 1223/2009. It must be declared in the ingredient list when present above threshold concentrations due to its allergenic potential.

Skin benefits

  • Antioxidant properties in topical formulations

Known concerns

  • Photosensitization risk
  • Fragrance allergen (Annex III restricted)
  • Skin sensitization

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.