Polyglyceryl-60 Behenate-Eicosadioate is a specialized oil-gelling agent and stabilizer that creates sophisticated, non-greasy textures in lipid-based formulas. By structuring the oil phase into a stable network, this ingredient prevents syneresis (oil bleeding) and enhances the sensory experience of creams, balms, and sticks.
- INCI Name:
- Polyglyceryl-60 Behenate-Eicosadioate
- Chemical/Scientific Name:
- 1,2,3-Propanetriol, homopolymer, esters with docosanoic acid and eicosanedioic acid
- Common Aliases:
- Polyglyceryl-60 Behenate/Eicosadioate, Nomcort HK-P
| Category: | Texture Enhancers |
| Source Origin: | Vegetable-derived (typically from rapeseed or soybean oils) or Synthetic |
| Comedogenic Rating: | N/A |
| Primary Industries: | Cosmetics, Skin Care, Color Cosmetics |
| Solubility: | Oil-soluble |
At a Glance: Properties & Effects
| Texture Enhancement | |
| Formula Stability | |
| Hydration/Moisture | |
| Irritation Risk |
Primary Benefits:
- Provides superior thermal stability to oil-in-water emulsions.
- Hardens stick formulations without increasing the wax-like or heavy feel.
- Gels a wide variety of oils, including Caprylic Capric Triglyceride, to create “bouncy” or jelly-like textures.
- Improves the application “slip” and spreadability of anhydrous balms.
Potential Risks:
- No known significant risks; generally considered inert and non-irritating.
Biological Action & Cosmetic Profile
Structurally, this ingredient is a complex ester formed from a high-molecular-weight Glycerin polymer (60 units) cross-linked with Behenic Acid and eicosanedioic acid. This unique architectural configuration allows it to function as a powerful thickening agent for the lipid phase of a product. Unlike traditional waxes that may crystallize and create a grainy feel over time, this ester forms a cohesive, three-dimensional lattice that traps oil molecules, resulting in a smooth, uniform gel structure.
Formulation performance is significantly enhanced because of the long-chain fatty acids involved. The C22 (behenic) and C20 (eicosanedioic) chains provide a high melting point, which translates to better product stability in fluctuating temperatures. When used in decorative cosmetics like lipsticks or solid foundations, it helps maintain the integrity of the product, preventing it from softening or “sweating” in warm climates.
Sensory attributes are a primary reason for its selection in high-end skincare. Because it can structure oils at relatively low concentrations, it reduces the need for heavy waxes or high-viscosity silicones. This leads to a finish that is often described as “silky” or “velvety” rather than greasy, making it particularly useful for facial oils or night creams that require a rich but refined skin feel.
Broader Applications & Origins
Origins of the fatty acid components are predominantly plant-based, often derived from refined vegetable oils. The polyglycerol portion is synthesized to a high degree of polymerization to ensure the large molecular size required for effective gelling. Beyond simple thickening, this ingredient is frequently utilized in “transforming” textures—products that begin as a solid balm but melt instantly upon skin contact.
Routine Integration
Synergies:
- Emollients: Works exceptionally well with Squalane and various plant oils to create stable, elegant oil gels.
- Sunscreen Filters: Aids in the uniform distribution of oil-soluble UV filters, potentially enhancing the consistency of the SPF coverage.
- Pigments: Helps keep minerals and colorants suspended in liquid or semi-solid formulas, preventing settling.
Conflicts:
- No known biochemical conflicts; as a structural ingredient, it is compatible with almost all active substances including Retinol and Niacinamide.
Clinical Consensus & Safety
The Cosmetic Ingredient Review (CIR) Expert Panel has evaluated polyglyceryl fatty acid esters and concluded they are safe for use in cosmetic formulations. Due to its high molecular weight, Polyglyceryl-60 Behenate-Eicosadioate does not penetrate the skin barrier, which significantly minimizes the potential for systemic toxicity or localized irritation. Clinical patch testing on similar polyglyceryl esters consistently shows a lack of sensitization or significant comedogenic potential, making it suitable for sensitive skin profiles.
Is Polyglyceryl-60 Behenate-Eicosadioate natural?
While it is often derived from vegetable sources like rapeseed oil, the final ingredient is a result of chemical esterification and polymerization. It is generally classified as a naturally-derived or “derived natural” ingredient rather than raw natural.
Will this ingredient clog my pores?
There is no evidence to suggest this ingredient is comedogenic. Its primary role is to structure oils; however, the comedogenicity of the final product will depend more on the specific oils being gelled (such as Coconut Oil) rather than this stabilizer itself.
Why is it used in “clean beauty” products?
It serves as an excellent alternative to synthetic polyethylene or petrolatum-based thickeners. It allows brands to achieve professional-grade stability and texture while maintaining a profile that aligns with many “green” or “clean” formulation standards.