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3-OCTYL ACETATE.

Optional CAS 4864-61-3 / PERFUMING

A carboxylic ester compound that serves as a fragrance component and masking agent in skincare formulations. Known for its distinctive rosy, minty, and fruity scent profile, it functions primarily to enhance product sensory experience while potentially offering mild skin-conditioning properties in lipid-based systems.

perfuming masking

Science

Acts primarily as an olfactory modifier, masking unpleasant base odors while contributing pleasant fragrance notes. As a carboxylic ester, it may provide secondary benefits as a mild solvent and skin-conditioning agent by integrating into lipid-based formulation matrices.


Research

Low confidence
Effective range 0.14–1%
Optimal

N/A

Key findings

  1. 01 Present as trace component in essential oils showing antibacterial and antioxidant properties, though standalone efficacy data unavailable

Transparency

Not commonly dusted

As a fragrance component, this ingredient is typically used at very low concentrations and is not subject to common dusting practices in skincare marketing.


The Formula

Solubility
Oil
Optimal pH 4.5 – 7
0 7 14

Stability

Prone to hydrolysis under extreme pH conditions, breaking down into 3-octanol and acetic acid. Requires storage away from heat and light in sealed containers for optimal stability.

Conflicts

  • Strong oxidizing agents
  • Strong bases
  • Strong acids

Safety

CIR Status
Not reviewed
Max tested
1%
Sensitization risk Low

FEMA GRAS status for food use (FEMA #3583) and FDA approval (21CFR172.515). IFRA concentration restrictions apply to minimize sensitization risk typical of fragrance esters.


Your Skin

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

Our Assessment

Optional

A functional fragrance ingredient with established safety profile but limited standalone skincare benefits beyond sensory enhancement.


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