Science
Mechanism of Action
This ingredient functions by supplying exogenous lipids that seamlessly integrate with the skin's surface, particularly filling gaps within intercorneocyte clusters. This action significantly improves barrier integrity, boosting hydration and reducing the potential for inflammation. Its potent lipophilic nature enables it to form a distinct occlusive film, effectively minimizing transepidermal water loss (TEWL) and thereby ensuring sustained skin moisturization.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has deemed closely related compounds, such as octyldodecyl hydroxystearate, safe for cosmetic use. While a specific maximum concentration for HEXYLDODECYL/OCTYLDECYL HYDROXYSTEARATE was not detailed, the safety of Octyldodecyl Stearoyl Stearate, which can contain octyldodecyl hydroxystearate up to 5%, was reaffirmed in 2022. Formulations with up to 28% of the related compound were found non-sensitizing in Human Repeat Insult Patch Test (HRIPT) studies. This ingredient has not been specifically reviewed by the SCCS, and no specific FDA status was found.
Your Skin
Skin Compatibility
Our Assessment
Verdict
HEXYLDODECYL/OCTYLDECYL HYDROXYSTEARATE is a valuable emollient, enhancing skin barrier function and hydration with a low risk of irritation or comedogenicity.
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References
Sources