Peg-5 Hydrogenated Corn 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-5 Hydrogenated Corn Glycerides?

Peg-5 Hydrogenated Corn Glycerides is a plant-derived ingredient made from corn oil that has been hydrogenated, then linked with a small amount of ethylene oxide to make it water friendly. Chemically, it is a mix of fatty acid glycerides from corn that carry about five ethylene oxide units each. This blend gives it both oil-loving and water-loving parts, a balance that makes it useful in skincare.

Corn oil itself has long been used in food and personal care, but it was the mid-20th-century rise of synthetic surfactants that sparked interest in altering natural oils to improve their texture and stability. By hydrogenating the oil, chemists turned its liquid fats into more solid, shelf-stable forms. Adding ethylene oxide later made the material disperse in water, unlocking new possibilities for gentle cleansing and emulsifying. Since then, Peg-based corn glycerides have become staples in modern formulations that aim to mix oils with water without harsh detergents.

The manufacturing starts with purified corn oil. The oil is hydrogenated under pressure to saturate its double bonds, giving a firmer consistency. Next, controlled ethoxylation adds an average of five ethylene oxide units per molecule. The final substance is filtered, tested for purity, and sent to cosmetic labs as a creamy paste or flakes.

Because of its mild nature, Peg-5 Hydrogenated Corn Glycerides shows up in many product types: facial cleansers, micellar waters, creamy body washes, baby shampoos, make-up removers, moisturizers, sheet mask essences and light lotions. Any formula that needs to lift away dirt while keeping skin soft can benefit from this multipurpose helper.

Peg-5 Hydrogenated Corn Glycerides’s Cosmetic Benefits/Uses

In everyday products Peg-5 Hydrogenated Corn Glycerides mainly contributes in two ways:

  • Cleansing: Its water-loving head binds to water while its oil-loving tail grabs onto sebum, make-up and other oily grime. When you rinse, the dirt lifts away leaving skin feeling clean yet comfortable
  • Emulsifying: It helps oils and water stay blended so creams stay smooth, cleansers stay uniform and actives distribute evenly with every use. This leads to better texture, longer shelf life and consistent performance

Who Can Use Peg-5 Hydrogenated Corn Glycerides

This gentle surfactant suits most skin types including normal, dry, combination and even sensitive skin because it cleans without stripping natural oils. Very oily acne prone skin can also tolerate it since it rinses clean, but the overall formula it sits in will matter more for breakouts.

Because it originates from corn oil and contains no animal derived components, products featuring Peg-5 Hydrogenated Corn Glycerides are generally acceptable for vegans and vegetarians. The ethoxylation step uses petrochemical feedstocks rather than animal inputs.

Pregnant or breastfeeding users can usually use this ingredient as it is not known to penetrate deeply or disrupt hormones. This is not medical advice however, so anyone expecting or nursing should review any skincare product with their healthcare provider to be safe.

The ingredient does not cause photosensitivity, so there is no extra need for sun precautions beyond the usual daily sunscreen recommendation.

It is compatible with common actives like vitamin C, niacinamide and mild acids, and it does not affect the pH of most finished products in a meaningful way.

Potential Side Effects/Adverse Reactions

Reactions to topical Peg-5 Hydrogenated Corn Glycerides vary from person to person. The following is a list of potential side effects that could occur, though they are uncommon when the ingredient is used correctly in a well formulated product.

  • Skin irritation – mild redness or stinging may appear on very sensitive or compromised skin
  • Contact dermatitis – rare allergic response marked by itchiness or small bumps
  • Eye discomfort – temporary stinging if the product accidentally gets into the eyes before rinsing
  • Dryness or tightness – possible if the overall formula is heavily cleansing and left on the skin too long

If any of these effects occur stop using the product and consult a medical professional if symptoms persist.

Comedogenic Rating

Rating: 1 / 5

Peg-5 Hydrogenated Corn Glycerides is largely water-soluble and used at modest levels, so it does not easily build up inside pores. Its fatty portion comes from hydrogenated corn oil yet the attached PEG groups keep the molecule lightweight and rinsable. Because of this balance formulators consider it very low on the pore-clogging scale.

That low score means most people prone to acne or breakouts can usually use products containing this ingredient without extra concern, provided the rest of the formula is also non-occlusive.

Keep in mind that a finished product’s overall comedogenicity depends on every component plus how it is used. Heavy balms or poorly rinsed cleansers can still cause congestion even when individual ingredients rate low.

Summary

Peg-5 Hydrogenated Corn Glycerides acts mainly as a mild cleanser and an emulsifier. Its PEG side makes it bond with water while its corn-derived fatty tail latches onto oils, letting it lift grime then rinse away cleanly. In creams and lotions it holds water and oil phases together so textures stay smooth and active ingredients distribute evenly.

The ingredient has a solid following among formulators of gentle facial cleansers, micellar waters and lightweight moisturizers though it has not reached superstar status like some plant oils or trendy acids.

Safety studies and decades of use show it is well tolerated for most skin types with low risk of irritation or clogged pores. Still, everyone’s skin is unique, so it is smart to patch test any new product containing Peg-5 Hydrogenated Corn Glycerides before fully incorporating it into your routine.

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