Science
Mechanism of Action
This ingredient functions primarily as a humectant, leveraging its hygroscopic nature to attract water from the atmosphere and deeper epidermal layers, thereby boosting skin hydration and elasticity. Its larger molecular structure compared to glycerin may facilitate a slower, more sustained moisture release, contributing to prolonged skin conditioning. Polyglycerin-6 also plays a role in fortifying the skin's natural barrier, mitigating transepidermal water loss (TEWL), and serves as a versatile solubilizer, improving the stability and texture of complex cosmetic formulations.
Research
Clinical Evidence
Low confidenceN/A
Key findings
- 01 Reported usage levels in skincare products typically range from 2% to 10%, indicating its role in hydration within these concentrations. No specific independent clinical efficacy studies at these precise concentrations were identified.
Transparency
Dusting Analysis
No data available in the provided research to suggest 'dusting' concerns.
The Formula
Formulation
Stability
Polyglycerin-6 exhibits exceptional water solubility, exceeding 1000 g/L, attributed to its hydrophilic structure. It maintains stability and can be synthesized within an aqueous pH range of 3.8 to 8.0. Its balanced viscosity and emulsifying properties are beneficial for stabilizing oil-in-water emulsions, ensuring formulation integrity.
Synergies
- Acts as a solubilizer for other cosmetic ingredients, enhancing overall formulation stability and texture.
- Effective as an emulsifier in oil-in-water systems.
Safety
Safety Profile
The Expert Panel for Cosmetic Ingredient Safety (CIR) concluded in a September 2023 report that Polyglycerin-6 is safe for cosmetic use within current practices and concentrations, considering its likely breakdown into the already deemed safe glycerin. It is listed in the FDA Global Substance Registration System (GSRS). Acute eye irritation tests indicate slight to minimal, quickly resolving irritation, and its inclusion in sensitive skin formulations further supports its low sensitization potential.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Polyglycerin-6 is a valuable, safe, and versatile ingredient, offering robust hydration, barrier support, and formulation benefits for all skin types, including sensitive skin.
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