D-ALLO-OCIMENOL

Other

60

Moderate

CAS Number: 126-91-0

About D-ALLO-OCIMENOL

A monoterpene fragrance compound and one of the 26 declared fragrance allergens under EU cosmetics regulation, requiring label declaration above threshold.

Detailed Analysis

D-allo-ocimenol (CAS 126-91-0) is a monoterpene tertiary alcohol used as a fragrance ingredient. It is listed in EU Regulation 1223/2009 Annex III, entry III/84, meaning it is one of the 26 fragrance allergens that must be explicitly labelled on cosmetic product ingredient lists. IFRA guidelines restrict its use due to potential for dermal sensitisation at high concentrations. The all-cis stereochemistry is specific to this variant; other ocimenol isomers may have different potency.

Skin Benefits

  • ✓ Fragrance function

Known Concerns

  • ⚠ Fragrance allergen - requires label declaration in EU
  • ⚠ Contact sensitisation potential (IFRA restricted)
  • ⚠ Photosensitisation possible at high concentrations

Safety Score

60

Moderate

Based on EU regulatory data, published safety research, and ingredient function analysis.

References

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EU CosIng Database

European Commission cosmetic ingredient registry

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This information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional for skin concerns or allergies.