Science
Mechanism of Action
Operating as an emollient, Ethylhexyl Ethylhexanoate forms a thin, protective film on the skin's surface. This mechanism effectively reduces transepidermal water loss (TEWL), thereby locking in moisture and reinforcing the skin's natural barrier function against environmental stressors. It also contributes to the sensory profile of products as a fragrance ingredient.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
This ester is susceptible to chemical or enzymatic hydrolysis, potentially breaking down into 2-ethylhexanoic acid and corresponding alcohols. Transesterification and other typical ester reactions may also occur. Formulations must ensure the ingredient remains non-irritating. Its presence can increase the permeation rate of other substances within a formula due to enhanced solubility.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel concluded Ethylhexyl Ethylhexanoate is safe for cosmetic use at current concentrations, provided formulations are non-irritating. However, the European Chemicals Agency (ECHA) classifies 2-Ethylhexyl 2-ethylhexanoate with a 'Warning: Suspected of damaging the unborn child' (H361d Reproductive toxicity Category 2). This concern arises from its potential to metabolize into 2-ethylhexanoic acid (2-EHA), which has documented associations with developmental effects. Consequently, its use is restricted in regions such as Canada.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Despite its beneficial emollient and skin-conditioning properties compatible with all skin types, the significant ECHA classification regarding suspected reproductive toxicity (H361d) and its metabolic potential to form 2-ethylhexanoic acid necessitates its avoidance in Moumoujus formulations to uphold our stringent safety standards.
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