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DIHYDRO-ALPHA-METHYL ALPHA-IONONE.

Questionable CAS 68480-17-1 / PERFUMING

Dihydro-alpha-methyl alpha-ionone primarily functions as a perfuming agent, lending a floral, woody, or violet aroma to formulations. It is widely used across personal care and household products.

perfuming

Science

Its primary mechanism is odor contribution. No specific direct skincare benefits, such as anti-aging or hydration, have been identified for this compound. Other ionone isomers, however, have demonstrated support for keratinocyte functions and epidermal barrier recovery.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

The Formula

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

It presents as a colorless, clear oily liquid. Store in a cool, dry place in tightly sealed containers, protected from heat and light.


Safety

CIR Status
Safe with restrictions
Max tested
4%
Sensitization risk Moderate

The Expert Panel for Fragrance Safety confirms its safety (as part of methyl ionone isomers) up to 4.0000% in fragrance concentrates. It is not genotoxic or phototoxic, with a skin sensitization NESIL of 70,000 μg/cm2; however, related compounds have warnings for skin irritation and potential sensitization.


Your Skin

No Normal
No Dry
No Oily
No Sensitive
Irritancy Moderate
Comedogenicity Unknown

Our Assessment

Questionable

Primarily a fragrance agent with no direct skincare benefits and a moderate irritancy risk, making its inclusion questionable for precision skincare formulations.


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