Ppg-24 Diglyceryl Ether: 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 Ppg-24 Diglyceryl Ether?

Ppg-24 Diglyceryl Ether is a synthetic ingredient created by attaching twenty-four units of propylene oxide to diglycerin, forming a gentle ether that blends well with water and oils. It belongs to the family of polyoxypropylene glyceryl ethers first explored in the 1970s when chemists searched for milder alternatives to traditional surfactants. Production starts with plant- or petroleum-based glycerin that is heated with propylene oxide in the presence of a catalyst, a process called propoxylation, until the desired chain length is reached. The result is a clear almost odorless liquid that dissolves easily and helps other ingredients mix smoothly.

Its ability to soften hair and lift away dirt has made it popular in rinse-off and leave-on formulas alike. You will most often see Ppg-24 Diglyceryl Ether in shampoos, conditioners, hair masks, beard washes, facial cleansers, micellar waters, body washes and lightweight moisturizers where a non-greasy feel is important.

Ppg-24 Diglyceryl Ether’s Cosmetic Benefits/Uses

This ingredient offers two main functions that improve the feel and performance of everyday products.

  • Hair Conditioning: Forms a thin film on the hair shaft that smooths rough cuticles, reduces static and makes combing easier. The light texture adds softness without weighing strands down which is valuable for fine or oily hair types.
  • Cleansing: Works as a mild surfactant that loosens oil, sweat and product buildup so they rinse away more easily. Because it is less harsh than sulfate cleansers it helps formulas clean effectively while keeping skin and scalp comfortable.

Who Can Use Ppg-24 Diglyceryl Ether

Ppg-24 Diglyceryl Ether is gentle enough for most skin and hair types including normal, oily, combination and sensitive. Its lightweight texture makes it a good pick for fine or easily weighed-down hair while the mild cleansing action suits scalps that are prone to irritation. Very dry skin or extremely damaged hair may find it lacks the rich emollience they need, so pairing it with heavier conditioners can help.

The ingredient is synthetically produced from glycerin that can be sourced either from plants or petroleum. When the glycerin is plant-derived and no animal testing is involved, formulas can be vegan and vegetarian friendly. Consumers who follow cruelty-free or plant-based lifestyles should check with the brand for confirmation.

Current cosmetic safety assessments show no specific risks for pregnant or breastfeeding women when Ppg-24 Diglyceryl Ether is used in typical product concentrations. That said, this is not medical advice and anyone who is expecting or nursing should review any personal care routine with a healthcare professional just to be safe.

Ppg-24 Diglyceryl Ether does not absorb UV light so it does not cause photosensitivity. It also plays well with common skincare actives like niacinamide or panthenol, making it easy to slot into multi-step routines.

Potential Side Effects/Adverse Reactions

Side effects and reactions to topical Ppg-24 Diglyceryl Ether vary from person to person. The points below outline potential issues but most people will not experience them when the ingredient is used at the levels found in cosmetics.

  • Mild skin or scalp irritation such as temporary redness or itching, more likely if skin is already compromised
  • Allergic contact dermatitis in individuals sensitive to polyoxypropylene compounds
  • Eye irritation if the formula accidentally gets into the eyes during rinsing
  • Increased dryness when very high percentages are used without balancing moisturizers

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

Comedogenic Rating

Rating: 1/5

Ppg-24 Diglyceryl Ether is highly water soluble and forms a very thin film that rinses off easily, so it has little tendency to sit in pores or mix with sebum in a way that could encourage blockages. It lacks the heavy fatty acids and waxes that usually drive comedogenicity which is why it sits near the bottom of the scale.

Because of this low score it is generally suitable for people who are prone to acne or breakouts.

One point to keep in mind is that the overall formula matters; if Ppg-24 Diglyceryl Ether is paired with richer oils the finished product could still clog pores even though this single ingredient is unlikely to do so on its own.

Summary

Ppg-24 Diglyceryl Ether serves mainly as a mild cleanser and a lightweight hair conditioner. Its propylene oxide side chains help it dissolve oils and grime so they can be rinsed away while the diglyceryl backbone leaves a smooth flexible film that tames static and boosts softness.

The ingredient sees steady but not superstar use: common in shampoos micellar waters and light lotions yet rarely highlighted on front labels. Formulators appreciate its gentle performance although consumers may not recognize the name.

Current safety reviews consider it low risk at the levels used in cosmetics with only rare reports of irritation or allergy. As with any new product it is wise to do a quick patch test to check personal tolerance before full use.

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