Science
Mechanism of Action
Delta-nonalactone functions exclusively as a perfuming agent, delivering a creamy, sweet, and coconut-like aroma to topical formulations. It does not exert any direct physiological effects or active benefits on the skin itself.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Delta-nonalactone is primarily oil-soluble, also dissolving in ethanol, dipropylene glycol, and DMSO, but is largely insoluble in water. Lactones are known to polymerize over time, which can lead to increased viscosity or phase separation, particularly in alcohol-based systems. To maintain stability, products should be stored in cool, dark conditions, and antioxidants can be employed. It is advisable to incorporate delta-nonalactone as the final ingredient during formulation and to avoid mixing temperatures above 40°C.
Safety
Safety Profile
While the Cosmetic Ingredient Review (CIR) Expert Panel has not specifically reviewed delta-nonalactone in detail (though related glycolactones have been assessed), it holds a Generally Recognized As Safe (GRAS) status by FEMA for flavoring and is listed as a fragrance ingredient by IFRA. Human experience tests with a 10% solution showed no irritation or sensitization, and SkinSAFE categorizes it as 'Irritant Free'. Recommended usage in body care products typically ranges from 0.03% to 0.30%, with 0.10% being a common level.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Delta-nonalactone serves as a safe and non-irritating perfuming agent, enhancing product appeal with its sweet, coconut aroma, though it provides no direct therapeutic benefits to the skin.
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