Science
Mechanism of Action
This ingredient operates primarily as an emollient, forming a protective film on the skin's surface to reduce transepidermal water loss and promote moisturization. It enhances the sensory experience of products by improving their glide and distribution. Additionally, it can act as a solvent for other active ingredients, aiding in their dispersion, and exhibits good penetrating power to potentially deliver beneficial compounds deeper into the skin.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
Isostearyl Isononanoate is a liquid emollient ester, therefore, it is not typically associated with dusting in cosmetic formulations.
The Formula
Formulation
Stability
As an ester, Isostearyl Isononanoate is generally stable across the typical pH range encountered in cosmetic formulations, often maintaining stability around a neutral pH.
Conflicts
- May increase the dermal penetration of other compounds, necessitating careful consideration when formulated with ingredients whose systemic absorption is a concern.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has deemed Isostearyl Isononanoate, within a group of 237 alkyl esters, safe for use in cosmetic formulations, provided the final product is designed to be non-irritating. The FDA does not require pre-market approval for cosmetic ingredients, excluding color additives. This ingredient has not been specifically reviewed by the SCCS.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Isostearyl Isononanoate is a valuable emollient and skin-conditioning agent, offering excellent spreadability and a desirable skin feel while maintaining a favorable safety profile under appropriate formulation.
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