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2-TERT-BUTYLCYCLOHEXYL PROPIONATE.

Optional CAS 40702-13-4 / PERFUMING

A synthetic cyclohexyl ester primarily utilized as a fragrance component in cosmetic formulations. Beyond its perfuming properties, this oil-soluble compound provides mild emollient benefits, contributing to smooth skin texture while delivering controlled scent release.

Perfuming Emollient (secondary) Fragrance delivery enhancement

Science

Functions predominantly as a perfuming agent through volatile aromatic compound release, while its ester structure provides secondary emollient properties that enhance skin feel and facilitate fragrance delivery through improved surface interaction.


Research

Medium confidence
Effective range 0.1–1%
Optimal

0.5%

Key findings

  1. 01 Demonstrated low-level dermal sensitization potential in fragrance-sensitive populations

Transparency

Not commonly dusted

As a fragrance ingredient with specific IFRA concentration limits, dusting is uncommon and typically regulated by industry standards rather than efficacy thresholds.


The Formula

Solubility
Oil
Optimal pH 4 – 8
0 7 14

Stability

Demonstrates good stability in standard cosmetic emulsions but susceptible to hydrolysis under extreme pH conditions due to ester bond vulnerability.

Synergies

  • Other fragrance compounds
  • Emollient esters
  • Carrier oils

Conflicts

  • Strong oxidizing agents
  • Highly alkaline environments

Safety

CIR Status
Not reviewed by CIR
Max tested
1%
Pregnancy
Safe
Sensitization risk Low

Safety evaluation conducted by RIFM rather than CIR. Concentration limits established through IFRA standards for different product categories.


Your Skin

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

Our Assessment

Optional

A well-tolerated fragrance ingredient with mild emollient properties, suitable for most skin types except sensitive, though its primary value lies in scent delivery rather than skincare benefits.


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