Peg-3/Ppg-2 Glyceryl/Sorbitol Hydroxystearate/Isostearate: 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-3/Ppg-2 Glyceryl/Sorbitol Hydroxystearate/Isostearate?

Peg-3/Ppg-2 Glyceryl/Sorbitol Hydroxystearate/Isostearate is a lab-crafted blend derived from sorbitol (a sugar alcohol), glycerin, castor-like hydroxystearic acid, branched isostearic acid, plus small units of ethylene oxide and propylene oxide. Chemists combine these building blocks through controlled reactions that graft short polyethylene glycol (PEG-3) and polypropylene glycol (PPG-2) chains onto a backbone made of sorbitol and glycerin. The result is a partly water-loving, partly oil-loving molecule that helps oils and water stay mixed.

Multi-functional surfactants like this one took off in the late 1980s when formulators needed gentler, more efficient emulsifiers for lotion and cream textures. By tweaking the ratio of PEG to PPG and choosing naturally sourced fatty acids, suppliers created a reliable ingredient that blends smoothly, rinses clean and feels light on skin.

Production starts with plant-based sugars fermented into sorbitol and glycerin. These are reacted with hydroxystearic and isostearic acids obtained from vegetable oils. The mixture is then treated with ethylene oxide followed by propylene oxide to attach the short PEG and PPG links. After purification and safety checks, the finished material appears as a viscous liquid or soft paste ready for cosmetics.

You will find Peg-3/Ppg-2 Glyceryl/Sorbitol Hydroxystearate/Isostearate in everyday moisturizers, lightweight lotions, facial masks, sun care products, makeup removers, cleansing balms, hair conditioners and some anti-aging serums where a stable, pleasant emulsion is key.

Peg-3/Ppg-2 Glyceryl/Sorbitol Hydroxystearate/Isostearate’s Cosmetic Benefits/Uses

This ingredient is valued mainly for the way it improves the texture and stability of formulas.

  • Emulsifying: Helps blend oil and water into a uniform lotion or cream, prevents separation during shelf life, gives products a smooth spreadable feel and supports even delivery of active ingredients across the skin or hair surface

Who Can Use Peg-3/Ppg-2 Glyceryl/Sorbitol Hydroxystearate/Isostearate

This emulsifier is generally considered suitable for all skin types, including oily, dry, combination and even most sensitive skins because it stays on the surface and does not disrupt the skin barrier. People with extremely reactive or allergy-prone skin should still keep an eye on the ingredient list in case they have a known sensitivity to PEGs or fatty acids.

The material is made from plant-derived sugars and vegetable oils so it meets vegan and vegetarian standards and no animal testing is required for its manufacture in most regions.

No studies link this ingredient to hormonal effects or developmental risks so products containing it are usually viewed as safe for use during pregnancy or while breastfeeding. This is not medical advice; pregnant or nursing individuals should confirm any skincare routine with their healthcare provider to be safe.

Peg-3/Ppg-2 Glyceryl/Sorbitol Hydroxystearate/Isostearate does not increase photosensitivity, so there are no special sun-exposure warnings beyond the usual recommendation to wear sunscreen daily.

Potential Side Effects/Adverse Reactions

Reactions to topical Peg-3/Ppg-2 Glyceryl/Sorbitol Hydroxystearate/Isostearate vary from person to person. The points below outline potential issues, though most users will never experience them when the ingredient is used at normal cosmetic levels.

  • Mild skin irritation a tingling or slight redness in people with very sensitive skin
  • Contact dermatitis rare cases of delayed rash or itching in individuals allergic to PEGs or fatty acids
  • Eye irritation stinging or watering if a formulation accidentally gets into the eyes
  • Follicular clogging in acne-prone skin unlikely but possible if the finished formula uses a high percentage of the emulsifier alongside heavy oils

If any burning, swelling or persistent discomfort occurs stop using the product and consult a healthcare professional.

Comedogenic Rating

Rating: 1 / 5

Peg-3/Ppg-2 Glyceryl/Sorbitol Hydroxystearate/Isostearate is made up of short PEG and PPG chains attached to light fatty acids. These molecules sit on the surface, rinse away easily and are used at low levels, so they rarely trap oil or dead cells inside pores. A score of 1 reflects a very low chance of clogging but acknowledges that any fatty acid-based material can contribute to breakouts if paired with heavy occlusive oils in the same formula.

Most people who are prone to acne can use products containing this emulsifier without seeing new blemishes.

Keep in mind that overall formulation matters; if the product is rich in waxes or butters, the finished texture could still feel pore-blocking even though this single ingredient rates low.

Summary

Peg-3/Ppg-2 Glyceryl/Sorbitol Hydroxystearate/Isostearate acts primarily as an emulsifier, helping oil and water blend into a stable, silky lotion or cream. Its split personality structure—one end loves water, the other loves oil—lines up at the interface of the two phases and locks them together, preventing separation while giving the final product a light, pleasant glide.

You will see this ingredient here and there in moisturizers, sunscreens and cleansing balms, but it is not a headline star. Formulators reach for it when they need a gentle, plant-based helper that will not weigh down the texture.

Current safety data show very low irritation potential and no links to systemic health concerns, so everyday use is considered safe. As with any new skincare product, it is wise to run a small patch test first to rule out personal sensitivities.

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