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2,4-DIMETHYL-3-CYCLOHEXENE-1-METHANOL.

Optional CAS 67634-17-7 / PERFUMING

A synthetic fragrance molecule that delivers fresh, green, floral notes reminiscent of hyacinth and lily of the valley. This lipophilic compound serves dual purposes as both a perfuming agent and masking agent to neutralize unwanted base odors in cosmetic formulations.

perfuming masking

Science

Functions primarily through olfactory interaction, providing aromatic enhancement while masking undesirable scents from other raw materials. Its lipophilic nature (logP 2.1-2.48) allows effective integration into oil-based and emulsion systems.


Research

Medium confidence
Effective range ≤10%
Optimal

3.3%

Key findings

  1. 01 RIFM 2022 safety assessment established 3.3% NOEL for skin sensitization
  2. 02 RIFM 1982/1983 studies on structural analogs showed sensitization at 5-10% concentrations

Transparency

Not commonly dusted
Red flag below
5%

While not commonly dusted due to its specialized fragrance function, concentrations above 5% may increase sensitization risk based on analog studies


The Formula

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Demonstrates good stability across diverse formulation types including alcoholic systems, antiperspirants, and aqueous solutions like shampoos and soaps

Conflicts

  • Strong oxidizing agents

Safety

CIR Status
Not reviewed
Max tested
10%
Sensitization risk Moderate

Regulated by RIFM and IFRA rather than CIR. Classified as skin sensitizer with category-specific usage limits in finished products


Your Skin

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

Our Assessment

Optional

A specialized fragrance ingredient with moderate sensitization risk that requires careful concentration management for safe aesthetic enhancement.


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