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BENZYL OCTANOATE.

Optional CAS 10276-85-4 / PERFUMING

A light, fatty acid ester derived from benzyl alcohol and octanoic acid, primarily utilized for its distinctive olfactory profile. While it serves as a fragrant additive, its ester structure provides secondary emollient properties that contribute to a smoother skin texture during application.

Perfuming Emollient

Science

Functions as a volatile aromatic compound providing floral and balsamic sensory notes. On a structural level, its ester bonds allow it to act as a mild occlusive agent, helping to reduce trans-epidermal water loss and soften the stratum corneum, though it lacks the potency of primary skin-conditioning lipids.


Research

Low confidence
Effective range 0.01–8%
Optimal

N/A

Key findings

  1. 01 Identified by IFRA as the upper safety threshold for fragrance concentrates to maintain a low risk of dermal irritation.

Transparency

Not commonly dusted
Min. effective
0.1%

As a fragrance component, it is naturally used at very low concentrations. It is not an active ingredient subject to 'marketing dusting,' as it does not claim therapeutic skin benefits.


The Formula

Solubility
Oil
Optimal pH 4 – 7
0 7 14

Stability

Highly sensitive to pH extremes; acidic or alkaline environments trigger hydrolysis into benzyl alcohol and octanoic acid. Must be processed via cool-down method below 40°C to prevent degradation.

Synergies

  • Other fatty acid esters
  • Oil-based delivery systems

Conflicts

  • Strong oxidizing agents
  • Strong acids
  • Strong bases

Safety

CIR Status
Not reviewed
Max tested
8%
Pregnancy
Safe
Sensitization risk Low

Recognized by the FDA as a safe synthetic flavoring substance. Regulatory oversight is primarily managed through IFRA standards rather than the CIR.


Your Skin

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

Our Assessment

Optional

An effective aromatic ester for sensory enhancement, but lacks substantiated clinical benefits for therapeutic skincare.


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