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Moumoujus

Ingredient directory

5,9-dimethyl-8-decen-3-ol

A secondary unsaturated alcohol that serves as a fragrance component with rosy-floral notes and malodor counteracting properties. This specialty ingredient works through scent masking and potential antimicrobial activity against odor-causing skin bacteria.

Directory entry · Individual source review pending

This profile is awaiting an individual source review. Treat its ratings, dose estimates and compatibility labels as provisional; they are not medical advice or proof of a finished product’s effects.

fragrance masking

Science

Functions by masking unpleasant odors through olfactory receptor interaction while potentially inhibiting sweat-producing bacteria on the skin surface. Its secondary alcohol structure enables effective binding to olfactory receptors, creating a perception of cleanliness and hygiene.


Research

Low confidence
Effective range 0.1–1%
Optimal

1%

Key findings

  1. 01 Studies on similar fragrance alcohols demonstrate 42% malodor reduction at low concentrations

Transparency

Not commonly dusted

Limited clinical data on skin benefits makes dusting unlikely for this fragrance-specific ingredient


The Formula

Solubility
Oil
Optimal pH 4 – 8
0 7 14

Stability

Demonstrates high stability in alcoholic and oil-based matrices but shows oxidation susceptibility when exposed to air and light due to alkene double bond. Water solubility extremely limited at 0.25 g/L.

Conflicts

  • Strong oxidizing agents
  • Strong acids

Safety

CIR Status
Not reviewed
Max tested
1%
Sensitization risk Low

ECHA and GHS classify as non-hazardous. IFRA guidelines recommend 1% maximum in leave-on products to prevent sensitization. REACH registered as fragrance substance.


Your Skin

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

Our Assessment

Optional

A specialized fragrance ingredient with malodor counteracting properties but limited evidence for broader skincare benefits.


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Ingredient names help you read a label. They do not establish how a finished product will perform. Explore The Garden.