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4,7-DIMETHYL-6-OCTEN-3-ONE.

Optional CAS 2550-11-0 / PERFUMING

A synthetic aroma chemical that delivers distinctive bitter grapefruit and green-citrus notes to skincare formulations. This oil-soluble perfuming agent functions solely through olfactory receptor interaction, providing sensory enhancement without direct therapeutic effects on skin physiology.

perfuming

Science

Activates olfactory receptors to create characteristic bitter grapefruit, citrus, and green-fruity fragrance profile in cosmetic formulations


Research

Medium confidence
Effective range 0.02–0.2%
Optimal

0.1%

Key findings

  1. 01 RIFM safety evaluations and human experience data from structurally similar compounds demonstrate absence of irritation or sensitization at standard usage levels

Transparency

Not commonly dusted

Not subject to dusting concerns as it serves purely functional perfuming role rather than active treatment claims


The Formula

Solubility
Oil
Optimal pH 2 – 10
0 7 14

Stability

Demonstrates excellent stability across broad pH spectrum and performs reliably in toiletries, soaps, and alcohol-based systems

Conflicts

  • liquid bleach
  • strong oxidizing agents

Safety

CIR Status
Not reviewed
Max tested
0.2%
Sensitization risk Low

IFRA-regulated with established safety standards; classified as GHS Category 2 eye irritant with minimal sensitization potential affecting small population fraction


Your Skin

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

Our Assessment

Optional

A well-tolerated fragrance component that enhances sensory experience without therapeutic benefit, suitable for most skin types except sensitive.


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