Science
Mechanism of Action
This ingredient functions primarily as a non-ionic emulsifier and co-emulsifier, facilitating the creation of stable oil-in-water emulsions by bridging immiscible liquid phases. It acts as a stabilizer, thickener, and gelling agent for the oil phase, improving product consistency and homogeneity. On the skin, PEG-8 Beeswax forms a light, breathable lipid layer that minimizes transepidermal water loss, thereby enhancing skin hydration and fortifying the barrier. It also serves as an emollient, conditioning and softening the skin, while improving overall product texture, spreadability, and pigment dispersion.
Research
Clinical Evidence
High confidence6%
Key findings
- 01 A 6% concentration of PEG-8 Beeswax significantly demonstrated moisturizing properties and enhanced skin hydration in a gel cream formulation when compared to a placebo.
- 02 Effective for emulsification purposes, concentrations between 3% and 8% show strong compatibility with non-soluble compounds such as pigments and physical sunscreens.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
PEG-8 Beeswax, a pale yellow to off-white waxy solid, melts between 59-70°C (138-158°F) and requires heating for incorporation. It demonstrates excellent thermal stability and tolerates a wide pH range. It is dispersible in water and soluble in alcohol and warm oils.
Synergies
- Compatible with various oils, enhancing their emulsification and stability.
- Supports dispersion of non-soluble compounds, including pigments and physical sunscreens.
Conflicts
- strong oxidizing agents
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has deemed PEG-8 Beeswax safe for use in cosmetic formulations under current practices. It is considered non-irritating and non-sensitizing to normal skin; however, PEGs can be absorbed through damaged skin. Formulators must ensure that 1,4-dioxane, a potential byproduct of PEG synthesis, is thoroughly filtered out due to its known toxicity.
Your Skin
Skin Compatibility
Our Assessment
Verdict
PEG-8 Beeswax is a highly valuable multi-functional ingredient, providing excellent emulsifying and stabilizing properties alongside significant moisturizing and emollient benefits for various skin types and product applications.
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References
Sources