Peg-12 Palm Kernel Glycerides: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: July 1, 2025
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We verify all information on this page using publicly available nomenclature standards from The Personal Care Products Council (PCPC), the European Commission's CosIng database and documentation provided directly by ingredient manufacturers. Our analysis is based on technical data from these sources to ensure accuracy and reliability.

What Is Peg-12 Palm Kernel Glycerides?

Peg-12 Palm Kernel Glycerides is a plant-derived ingredient created by attaching about twelve units of ethylene oxide to the mono- and diglycerides naturally present in palm kernel oil. The result is a water-friendly form of these oil components that can mix smoothly with both oils and water. Palm kernel oil has been used for centuries in soap making thanks to its cleansing and lathering abilities. Chemists began modifying it in the mid-20th century to improve its mixability, which led to the development of ethoxylated versions like Peg-12 Palm Kernel Glycerides. Production starts with sustainably sourced palm kernels that are pressed to obtain the oil. The oil is split into mono- and diglycerides, then passed through an ethoxylation process where controlled amounts of ethylene oxide react with the glycerides under heat and pressure. The finished ingredient is a clear to slightly hazy liquid that dissolves easily in water.

You will usually see Peg-12 Palm Kernel Glycerides in lotions, creams, milky cleansers, sheet mask essences, leave-on conditioners, styling creams, lightweight serums and many anti-aging or brightening emulsions where a stable blend of water and oil is needed.

Peg-12 Palm Kernel Glycerides’s Cosmetic Benefits/Uses

This ingredient is valued for its ability to keep oil and water united in a smooth stable product.

  • Emulsifying: Acts as a bridge between oil and water so the two stay blended without separating. This gives creams and lotions a consistent texture, improves spreadability and helps active ingredients stay evenly distributed from the first pump to the last

Who Can Use Peg-12 Palm Kernel Glycerides

Because this ingredient has a light feel and does not clog pores it usually suits all skin types, from oily to dry and even sensitive. People with extremely reactive or allergy-prone skin may want to watch for any personal triggers but, in general, Peg-12 Palm Kernel Glycerides is considered skin friendly.

The raw material comes from palm kernel oil so it is plant based, which makes it acceptable for vegans and vegetarians. No animal by-products are involved in its manufacture.

Products containing Peg-12 Palm Kernel Glycerides are generally regarded as safe for use during pregnancy and breastfeeding. That said, this is not medical advice and anyone who is pregnant or nursing should run all skincare products by a doctor just to be on the safe side.

The ingredient does not make skin more sensitive to sunlight, and it has no known effect on self-tanners, mineral sunscreens or other common formula components.

Potential Side Effects/Adverse Reactions

Side effects and reactions to the topical use of Peg-12 Palm Kernel Glycerides can vary from person to person. The points below cover potential issues yet they are uncommon when the ingredient is used correctly in a finished product.

  • Mild skin irritation such as tingling or itching, usually short lived
  • Redness or a rash in people with a known sensitivity to polyethylene glycols (PEGs) or palm derivatives
  • Eye stinging if the product accidentally gets into the eyes
  • Very rare allergic contact dermatitis
  • Dryness or tightness if used at unusually high levels that are not typical of well-formulated cosmetics

If any of these reactions occur stop using the product and seek advice from a healthcare professional.

Comedogenic Rating

Rating: 1/5

Peg-12 Palm Kernel Glycerides is highly water soluble thanks to the added ethylene oxide units, so it rinses off skin easily and does not leave a thick fatty film that could block pores. While it originates from palm kernel oil, the ethoxylation turns the fatty glycerides into a lightweight emulsifier with a very low tendency to trap dead skin cells or sebum. Most formulators use it at low percentages strictly to stabilize emulsions, which further reduces any clogging risk.

Because of this low rating the ingredient is generally considered suitable for people who are prone to acne or breakouts.

No additional pore-clogging concerns have been flagged for this material in published cosmetic safety reviews or anecdotal user reports.

Summary

Peg-12 Palm Kernel Glycerides acts mainly as an emulsifier that keeps oil and water phases blended, giving creams, lotions and serums a smooth stable texture while ensuring actives are distributed evenly across the skin. It performs this job by combining the oil-loving part of palm kernel glycerides with water-loving ethylene oxide units, letting it sit at the oil-water interface and hold everything together.

The ingredient enjoys moderate popularity because it offers reliable performance, a pleasant skin feel and plant origin, though it is not as widely talked about as trendier actives or exotic oils.

Current safety data show it to be low risk for irritation, sensitization or pore clogging when used in typical cosmetic concentrations. As with any new skincare ingredient it is wise to patch test a product before full-face use to rule out personal sensitivities.

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