Description

Polyglyceryl-3 Palmitate is a cosmetic ingredient widely used as an emulsifier and skin conditioner in various skincare and makeup products. It is produced by the esterification of polyglycerin-3 with palmitic acid, resulting in an ester known as Hexadecanoic acid, ester with triglycerol. This ingredient is valued for its ability to enhance the texture and stability of cosmetic emulsions, as well as provide moisturizing benefits.

Chemical Composition and Structure

Polyglyceryl-3 Palmitate combines the hydrating properties of polyglycerin-3, a polymer of glycerol known for its effectiveness as a humectant, with the emollient properties of palmitic acid, a saturated fatty acid. This combination results in an ester that effectively stabilizes oil-in-water emulsions and enhances the even distribution of the product on the skin.

Physical Properties

Polyglyceryl-3 Palmitate typically appears as a viscous, clear to slightly yellowish liquid. It is soluble in oils and moderately soluble in water, making it particularly suitable for cosmetic formulations aiming for a smooth and non-greasy feel on the skin.

Production Process

Synthesis: The synthesis of Polyglyceryl-3 Palmitate involves the controlled esterification of polyglycerin-3 with palmitic acid. This process requires careful management of temperature and pH to ensure effective ester bond formation and high-quality product output.
Purification: After synthesis, the product undergoes various purification processes to remove unreacted materials and impurities, ensuring high purity suitable for cosmetic use.
Quality Control: Rigorous testing is conducted on the finished product to assess its purity, stability, and effectiveness in cosmetic formulations. These tests typically include evaluations of emulsion stability and compatibility testing with other cosmetic ingredients.

Applications

Cosmetic Products: Extensively used in creams, lotions, and serums where it serves as an effective emulsifier, helping to blend and stabilize oil and water components, thereby improving the consistency and feel of the product on the skin.
Skin Care: Ideal for products aimed at dry skin, as it helps to nourish and deeply moisturize.
Makeup: Employed in makeup products to enhance application properties and wear time, ensuring a smooth and even finish.

Environmental and Safety Considerations

Polyglyceryl-3 Palmitate 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. Use within recommended concentrations is crucial to ensure the safety and optimal effectiveness of the product.

INCI


Skin conditioning agent - Emollient. Emollients have the characteristic of enhancing the skin barrier through a source of exogenous lipids that adhere to the skin, improving barrier properties by filling gaps in intercorneocyte clusters to improve hydration while protecting against inflammation. In practice, they have the ability to create a barrier that prevents transepidermal water loss. Emollients are described as degreasing or refreshing additives that improve the lipid content of the upper layers of the skin by preventing degreasing and drying of the skin. The problem with emollients is that many have a strong lipophilic character and are identified as occlusive ingredients; they are oily and fatty materials that remain on the skin surface and reduce transepidermal water loss. In cosmetics, emollients and moisturisers are often considered synonymous with humectants and occlusives.

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.
Synonyms:

CAS: 143710-24-1