Description

Polyglyceryl-3 Myristate is a versatile cosmetic ingredient frequently used as an emulsifier and skin conditioner in a wide range of skincare and makeup products. It is produced by the esterification of polyglycerin-3 with myristic acid, forming an ester known as 1,2,3-Propanetriol, homopolymer, tetradecanoates in a 1:1 molar ratio with an average of 3 moles of glycerol. This ingredient excels in enhancing the texture and stability of cosmetic emulsions, while also offering moisturizing properties.

Chemical Composition and Structure

This ester combines the hydrating effects of polyglycerin-3, a polymer of glycerol known for its moisturizing benefits, with the characteristics of myristic acid, a saturated fatty acid. The resulting ester is particularly effective in stabilizing oil-in-water emulsions, enhancing product spreadability, and improving skin feel.

Physical Properties

Polyglyceryl-3 Myristate typically presents as a clear to slightly yellowish viscous liquid. It is highly soluble in oils and has moderate solubility in water, making it especially useful in formulations that require a balance of feel and performance on the skin.

Production Process

Synthesis: The synthesis of Polyglyceryl-3 Myristate involves the controlled esterification of polyglycerin-3 with myristic acid. This process demands precise management of reaction conditions such as temperature and pH to ensure successful ester linkage and high-quality product formation.
Purification: Following synthesis, the compound undergoes rigorous purification steps to remove unreacted materials and impurities, ensuring its purity and suitability for cosmetic use.
Quality Control: Extensive quality control testing is performed on the final product to assess its stability, efficacy, and compatibility within cosmetic formulations. These evaluations often include viscosity measurements, stability testing under various conditions, and performance in emulsion systems.

Applications

Cosmetic Products: Extensively utilized in creams, lotions, and serums, where it acts as an effective emulsifier to blend and stabilize the mixture of oil and water components. It helps improve the consistency and sensory properties of the products.
Skin Care: Ideal for use in moisturizing formulations intended for all skin types, providing a balance of hydration and a non-greasy feel.
Makeup: Employed in makeup bases and foundations to enhance application characteristics and prolong wear, ensuring a smooth and even coverage.

Environmental and Safety Considerations

Polyglyceryl-3 Myristate is considered safe for use in cosmetic products and is generally well-tolerated by the skin. It is non-irritating and suitable for all skin types, including sensitive skin. Derived from renewable sources, it is viewed as an environmentally friendly ingredient. Appropriate use within recommended concentrations is essential to ensure product safety and optimal effectiveness.

INCI


Surfactant - Emulsifying agent. Emulsions are thermodynamically unstable and are used to soothe or soften the skin and emulsify, so they need a specific, stabilising ingredient. This ingredient forms a film, lowers the surface tension and makes two immiscible liquids miscible. A very important factor affecting the stability of the emulsion is the amount of the emulsifying agent. Emulsifiers have the property of reducing the oil/water or water/oil interfacial tension, improving the stability of the emulsion and also directly influencing the stability, sensory properties and surface tension of sunscreens by modulating the filmometric performance.
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