Science
Mechanism of Action
As an ester, Tridecyl Ethylhexanoate primarily acts by forming a delicate, non-occlusive film on the skin's surface. This film effectively lubricates the skin, reducing transepidermal water loss and contributing to a softer, smoother complexion.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Tridecyl Ethylhexanoate demonstrates practical insolubility in water, with an estimated solubility of 0.0001341 mg/L at 25 °C. Conversely, it is highly soluble in oils and various organic solvents. Alkyl ethylhexanoates, including this ingredient, have been observed to potentially enhance the permeation rate of other cosmetic ingredients.
Synergies
- May enhance the permeation and delivery of oil-soluble active ingredients due to its solvent properties.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel concluded that Tridecyl Ethylhexanoate, within the alkyl ethylhexanoate group, is safe for use in current cosmetic practices and concentrations, provided that formulations are designed to be non-irritating. The highest reported leave-on use concentration for a related alkyl ethylhexanoate was 52% in lipstick formulations. While it holds a UNII from the FDA's Global Substance Registration System (GSRS), this indicates registration and not pre-market approval by the FDA for cosmetic ingredients.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Tridecyl Ethylhexanoate is a valuable oil-soluble emollient and skin conditioning agent, enhancing skin softness and smoothness, safely applicable in a wide range of cosmetic formulations up to 52% when properly formulated to ensure non-irritation.
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References
Sources