Science
Mechanism of Action
Operating primarily as a fragrance ingredient, Gamma-Undecenolactone delivers a distinct, sweet, and fruity olfactory profile, evoking notes of ripe peach, apricot, and coconut, complemented by creamy undertones. It additionally serves to mask undesirable scents in formulations and can act as a solvent for other components.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
Gamma-Undecenolactone is not typically 'dusted' as an active ingredient for its skin benefits. Its concentration in a formula is primarily governed by its potent olfactory impact; levels exceeding approximately 0.2% can lead to an 'overloaded' fragrance blend due to its intense, oily character, rather than reaching a clinical efficacy threshold.
The Formula
Formulation
Stability
This ingredient is stable under normal storage conditions but exhibits sensitivity to both air and light exposure. For optimal stability, it is recommended to store it tightly sealed under inert gas in a cool, well-ventilated area.
Safety
Safety Profile
Evaluated as 'safe as used' by the Cosmetic Ingredient Review (CIR), Gamma-Undecenolactone has a maximum recommended concentration of 2% in cosmetic applications. It is recognized as FEMA GRAS for food use and has shown low acute oral toxicity and no evidence of irritation or sensitization on human skin at a 2% concentration in petroleum. It is not identified as a declarable fragrance allergen by IFRA.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Gamma-Undecenolactone offers significant value in cosmetic formulations for its distinct peach aroma and masking capabilities, while maintaining a strong safety profile and broad skin compatibility across all skin types.
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