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BETA-PINENES

CAS 127-91-3
62

Safety score · 0–100

Fine

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

About

A common fragrance allergen found in essential oils, restricted in EU cosmetics for its sensitization potential and requiring declaration on product labels.

Beta-pinene (2-pinene, CAS 127-91-3) is a monoterpene hydrocarbon and major component of many essential oils including pine, cedarwood, and juniper berry oils. It is restricted under EU Annex III with reference III/130, requiring declaration on product labeling when present above 0.001% in leave-on products or 0.01% in rinse-off products as a fragrance allergen under Regulation (EC) No 1223/2009 and the 2023修订. Beta-pinene acts as a skin sensitizer in susceptible individuals and can undergo autoxidation forming contact allergens. The PubChem safety score of 73 aligns with its classification as a recognized fragrance allergen requiring mandatory labeling.

Skin benefits

  • Fragrance material

Known concerns

  • EU Annex III fragrance allergen (III/130) - mandatory labeling
  • Skin sensitization risk
  • Autoxidation on air exposure forms contact allergens

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 — always read the physical product label and consult a healthcare professional for personal concerns.