Science
Mechanism of Action
This ingredient operates by supplying beneficial exogenous lipids to the skin, effectively bridging intercellular gaps to fortify the skin barrier. This action demonstrably improves skin hydration and curtails transepidermal water loss (TEWL). Furthermore, it establishes an occlusive, protective film on the skin's surface, which further minimizes moisture evaporation and offers protection against inflammation. Beyond its direct skin benefits, it functions as an aqueous viscosity enhancing agent, contributing to the chemical and physical stability of formulations by promoting a more homogeneous texture and reducing sedimentation.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Functions as an aqueous viscosity enhancing agent, which contributes to improved chemical and physical stability within formulations, leading to a more homogeneously thickened product and reduced sedimentation.
Safety
Safety Profile
The CIR Expert Panel determined this ingredient, as part of the alkyl esters group, is safe for use in cosmetic practices at concentrations up to 5%, provided formulations are non-irritating. Health Canada's NHPID also supports topical use up to 5% when formulated to be non-irritating. No specific SCCS assessment was identified. Individual FDA approval is not present, but it may be used as a component within products covered by a broader group standard.
Your Skin
Skin Compatibility
Our Assessment
Verdict
HYDROXYOCTACOSANYL HYDROXYSTEARATE is a valuable ingredient for enhancing skin barrier function, delivering hydration, and contributing to formulation stability, making it particularly suitable for dry and normal skin types within its specified 5% concentration limit.
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References
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