5-METHYL-BETA-IONONE

Other

80

Good

CAS Number: 79-70-9

About 5-METHYL-BETA-IONONE

5-methyl-beta-ionone is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.

Detailed Analysis

This beta-ionone variant is a naturally occurring sesquiterpene ketone used extensively in fragrance compositions. Under EU cosmetics law it is unrestricted, though IFRA guidelines recommend concentration limits in leave-on products. It appears on the IFRA transparency list and is considered safe for cosmetic use when formulated within recommended limits.

Known Concerns

  • ⚠ Potential for skin sensitization at high use levels
  • ⚠ IFRA restriction applies to certain product types

Safety Score

80

Good

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.