Polyglyceryl-10 Myristate is a highly efficient, plant-derived non-ionic surfactant and emulsifier known for its exceptional gentleness on the skin barrier. This multifunctional ingredient creates stable oil-in-water emulsions while providing significant emollient benefits, making it a preferred choice for PEG-free and sensitive skin formulations.
- INCI Name:
- Polyglyceryl-10 Myristate
- Chemical/Scientific Name:
- 1,2,3-Propanetriol, homopolymer, tetradecanoate (average 10 units of glycerol)
- Common Aliases:
- Decaglyceryl monomyristate, Decaglycerol myristate
| Category: | Surface-Active Substances |
| Source Origin: | Plant-derived (Vegetable oils) |
| Comedogenic Rating: | 0 |
| Primary Industries: | Dermatological Skincare, Clean Beauty, Baby Care |
| Solubility: | Water-dispersible, soluble in alcohols and various oils |
At a Glance: Properties & Effects
| Texture Enhancement: | |
| Soothing/Calming: | |
| Hydration/Moisture: | |
| Irritation Risk: |
- Primary Benefits:
- Facilitates the mixing of oil and Aqua into smooth, stable emulsions.
- Provides a soft, non-greasy skin feel through its emollient properties.
- Acts as a mild cleansing agent that does not strip essential lipids.
- Enhances the solubility of poorly soluble active ingredients in cosmetic bases.
- Potential Risks:
- Extremely low irritation potential, though hypersensitivity to Myristic Acid derivatives is possible.
Biological Action & Cosmetic Profile
This polyglycerol ester functions primarily as an amphiphilic molecule, featuring a large hydrophilic head consisting of ten Glycerin units and a lipophilic tail derived from Myristic Acid. By reducing the interfacial tension between aqueous and lipid phases, it allows for the formation of fine, uniform droplets within a formula. Unlike traditional ethoxylated surfactants (PEGs), this ingredient is considered more biocompatible and less likely to cause “wash-out” effects, where the skin’s own protective oils are inadvertently removed during cleansing.Formulators value this specific ester for its high Hydrophilic-Lipophilic Balance (HLB) value, typically ranging between 14 and 15. Such a high HLB makes it particularly effective at creating oil-in-water (O/W) emulsions that feel lightweight and refreshing. Beyond its structural role, the polyglycerol moiety acts as a humectant, attracting moisture to the upper layers of the stratum corneum, which helps mitigate the potential drying effects often associated with surfactants.
Broader Applications & Origins
The shift toward PEG-free formulations in the “clean beauty” sector has significantly increased the usage of polyglycerol esters. Derived from renewable vegetable sources, this ingredient aligns with sustainability standards and biodegradable profiles. In addition to facial skincare, it is frequently utilized in luxury hair care products to improve the spreadability of conditioners and in micellar waters to provide gentle debris removal without the need for rinsing.
Routine Integration
- Synergies:
- Works optimally with Caprylic Capric Triglyceride and Cetyl Ethylhexanoate to create high-performance cleansing oils that emulsify instantly upon contact with water.
- Pairs effectively with glycols like Butylene Glycol or Propanediol to enhance the penetration of water-soluble actives.
Clinical Consensus & Safety
The Cosmetic Ingredient Review (CIR) Expert Panel has evaluated polyglyceryl fatty acid esters and concluded they are safe for use in cosmetics at current practices and concentrations. Clinical data indicates that these esters are non-sensitizing and exhibit significantly lower irritation potential compared to sodium lauryl sulfate or older ethoxylated emulsifiers. Because the molecule is relatively large, it does not penetrate deeply into the viable epidermis, further reducing the likelihood of systemic absorption or localized inflammatory responses.
Is Polyglyceryl-10 Myristate safe for acne-prone skin?
Yes. This ingredient has a comedogenic rating of 0, meaning it is highly unlikely to clog pores. It is frequently used in lightweight, oil-free formulations designed for oily and blemish-prone skin types.
How does this differ from traditional PEG emulsifiers?
Unlike Polyethylene Glycol (PEG) derivatives, this ingredient is produced via the polymerization of Glycerin. This process avoids the use of ethylene oxide, eliminating concerns regarding 1,4-dioxane contamination and making it more acceptable for “natural” certified standards.
Can it be used in leave-on products?
Absolutely. While it has surfactant properties, its extreme gentleness and emollient nature make it perfectly suitable for leave-on lotions, creams, and serums, where it contributes to a smooth skin texture and improved moisture retention.