Science
Mechanism of Action
Glyceryl Stearates primarily function as emollients, forming an occlusive layer on the skin's surface to mitigate transepidermal water loss (TEWL), thereby maintaining optimal hydration, promoting softness, and smoothing the skin's texture. In formulations, they are integral emulsifiers, ensuring the stable integration of oil and water phases, and also serve as viscosity controllers and stabilizers, contributing to a refined texture and luxurious product feel.
Research
Clinical Evidence
Medium confidence17%
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Glyceryl Stearates are insoluble in water but readily soluble in oils and alcohols. They exhibit good stability across varying pH and temperature conditions, though it is advised to avoid temperatures exceeding 85°C during formulation. Optimal stability in emulsions is observed within neutral to slightly acidic pH ranges, specifically 5.0-7.0 for Glyceryl Stearate SE.
Conflicts
- strong oxidizing agents
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has affirmed Glyceryl Stearate and Glyceryl Stearate SE as safe for cosmetic use within current practices and concentrations, with a highest reported leave-on concentration of 17%. It is also recognized as Generally Recognized As Safe (GRAS) by the FDA for direct food additive uses. SCCS status was not found in the provided research.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Glyceryl Stearates are a valuable multi-functional ingredient, offering significant benefits as an emollient for skin hydration and as an essential stabilizer, emulsifier, and viscosity controller for optimal product formulation.
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