Science
Mechanism of Action
Gamma-heptalactone functions solely as a perfuming agent, contributing a distinctive sweet and creamy scent profile to cosmetic compositions. It does not exert any known therapeutic or physiological effects on the skin.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
Gamma-heptalactone is a fragrance ingredient with no known active benefits for the skin, thus it is not typically associated with 'dusting' or exaggerated claims of efficacy.
The Formula
Formulation
Stability
This ingredient is susceptible to ring-opening hydrolysis when exposed to highly alkaline conditions, specifically at pH levels exceeding 9. In alcohol-based formulations, a tendency for polymerization over extended periods may lead to alterations in viscosity and potential phase separation. To maintain structural integrity, it is advisable to avoid temperatures above 40°C.
Conflicts
- Extremely alkaline conditions (pH > 9)
- Temperatures above 40°C
Safety
Safety Profile
The Research Institute for Fragrance Materials (RIFM) has deemed gamma-heptalactone safe for skin sensitization at current usage levels in cosmetics, and it is not anticipated to be phototoxic or photoallergenic. While some general chemical hazard classifications denote it as a moderate skin irritant (R38), these are typically broader industrial classifications. A specific human maximization test showed a sensitization reaction in 1 out of 25 subjects at a 4% concentration, though this result was not replicated in a subsequent study. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) also considers it safe as a flavoring agent at current intake levels.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Gamma-heptalactone serves exclusively as a fragrance component in skincare, offering no direct dermatological benefits. Its incorporation should consider formulation stability and mild irritancy potential.
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