PEG-5 Bertholletia Excelsa Seed Oil Glyceryl Esters is a derivative of Brazil nut oil (from the seeds of Bertholletia excelsa) combined with polyethylene glycol (PEG-5) and glyceryl esters. This combination enhances the oil’s solubility, emulsifying properties, and usability in various cosmetic formulations. The Brazil nut tree belongs to the Lecythidaceae family. PEG-5 Bertholletia Excelsa Seed Oil Glyceryl Esters is highly valued in the cosmetic and personal care industry for its emulsifying, moisturizing, and skin-conditioning properties. The ester form is used to improve the texture and effectiveness of skincare and haircare products.

Chemical Composition and Structure
PEG-5 Bertholletia Excelsa Seed Oil Glyceryl Esters contains:

Fatty Acids: Including oleic acid and linoleic acid, which help maintain skin hydration and improve the skin barrier function.
Vitamins: Particularly vitamin E, known for its skin-nourishing and antioxidant properties.
Polyethylene Glycol (PEG-5): Enhances solubility and emulsifying properties, allowing for better formulation stability.
Glyceryl Esters: Improve the skin-conditioning properties and overall texture of formulations.
Physical Properties
PEG-5 Bertholletia Excelsa Seed Oil Glyceryl Esters typically appears as a clear to pale yellow liquid. It is easily soluble in water and other solvents, making it suitable for use in various cosmetic formulations.

Cosmetic and Personal Care Applications
Emulsifying Agent: Enhances the stability of emulsions, making it ideal for use in creams, lotions, and serums.

Moisturizing: The fatty acids in the esters help maintain skin hydration and improve the skin barrier function, making it beneficial for dry and sensitive skin.

Skin Conditioning: The vitamins and fatty acids help improve the texture and appearance of the skin, making it softer and more resilient.

Hair Conditioning: The esters can be used in haircare formulations to nourish and strengthen the hair, promoting healthy and shiny hair.

Light Texture: Provides a light, non-greasy texture that is easily absorbed by the skin, making it suitable for use in a wide range of cosmetic products.

Improved Solubility: The PEG-5 component enhances the solubility and stability of the oil, making it easier to incorporate into various formulations.

Environmental and Safety Considerations

PEG-5 Bertholletia Excelsa Seed Oil Glyceryl Esters is generally considered safe for use in cosmetic and personal care products. It is well-tolerated by most skin types, including sensitive skin. The production process is environmentally friendly, utilizing sustainable agricultural practices. However, as with all cosmetic ingredients, it should be patch-tested before use, especially for those with sensitive skin or allergies.

Cosmetics - INCI Functions


Skin conditioning agent. It is the mainstay of topical skin treatment as it has the function of restoring, increasing or improving skin tolerance to external factors, including melanocyte tolerance. The most important function of the conditioning agent is to prevent skin dehydration, but the subject is rather complex and involves emollients and humectants that can be added in the formulation.
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