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3,7-DIMETHYL-4,6-OCTADIEN-3-OL.

Optional CAS 18479-54-4 / PERFUMING

A terpene alcohol closely related to linalool, primarily functioning as a fragrance component that delivers fresh, floral notes reminiscent of lily of the valley. While it serves mainly aesthetic purposes in skincare formulations, emerging research suggests potential antimicrobial properties against odor-causing bacteria.

perfuming masking

Science

Functions primarily through olfactory receptor interaction to provide fragrance masking effects. Its lipophilic nature may enhance penetration of other ingredients, while preliminary evidence indicates possible antimicrobial action through bacterial cell membrane disruption.


Research

Medium confidence
Effective range 0.1–1%
Optimal

0.5%

Key findings

  1. 01 Dermatological assessment of terpene alcohols showing non-irritating properties at consumer use levels
  2. 02 Patent literature documenting antimicrobial activity against Corynebacterium xerosis and Staphylococcus epidermidis

Transparency

Not commonly dusted

Not typically used as a dusting ingredient due to its primary role as fragrance component with established concentration limits


The Formula

Solubility
Oil
Optimal pH 5.5 – 9
0 7 14

Stability

Demonstrates excellent stability in neutral to alkaline conditions but vulnerable to oxidative degradation when exposed to air and light, potentially increasing sensitization risk

Synergies

  • BHT
  • Vitamin E
  • other antioxidants for oxidation protection

Conflicts

  • Strong oxidizing agents
  • Strongly acidic formulations

Safety

CIR Status
Not reviewed
Max tested
1%
Sensitization risk Moderate

Governed by IFRA fragrance standards rather than CIR guidelines. Sensitization potential increases with oxidation, requiring antioxidant protection in formulations.


Your Skin

Yes Normal
Yes Dry
Yes Oily
No Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Optional

A competent fragrance ingredient with potential antimicrobial benefits, but offers limited direct skin improvement beyond sensory enhancement.


Related

Finding similar ingredients…


References