Science
Mechanism of Action
As an amphiphilic glycolipid, Hydroxystearyl Glucoside possesses both water-loving and oil-loving components, enabling it to stabilize oil-in-water emulsions in formulations. Its structure, as an alkylpolyglucoside, promotes the formation of lamellar phases within the continuous aqueous layer of the skin, which enhances stratum corneum hydration and reinforces the skin barrier function. Additionally, it acts as a thickening agent, improving product texture and spreadability.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 When incorporated into an oil-in-water emulsifier blend (SIMULGREEN 18-2), Hydroxystearyl Glucoside demonstrated a long-lasting moisturizing effect, sustaining skin hydration for up to 8 hours in in vivo studies. This blend was also noted to improve stratum corneum hydration and overall skin comfort.
- 02 The ingredient itself is recognized for its capacity to enhance skin hydration and support robust skin barrier function.
Transparency
Dusting Analysis
No data suggests this ingredient is commonly associated with dusting concerns.
The Formula
Formulation
Stability
While a specific optimal pH range for Hydroxystearyl Glucoside has not been identified, as an alkylpolyglucoside, it belongs to a class generally known for good environmental stability.
Synergies
- Hydroxystearyl Alcohol (as part of emulsifier blends to enhance moisturizing and emulsifying properties).
Safety
Safety Profile
Specific individual safety data for Hydroxystearyl Glucoside from CIR is currently insufficient. However, it is classified within the broader group of 'alkyl glucosides,' which the CIR Expert Panel has generally assessed as safe for use in cosmetics when formulated to be nonirritating. Safety is often extrapolated from the breakdown products (fatty acids and glucose) and related fatty alcohol reports.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Hydroxystearyl Glucoside is a valuable ingredient, effectively enhancing skin hydration and barrier function while serving as a versatile emulsifier across a wide range of cosmetic formulations, suitable for all skin types.
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References
Sources