Diglycol Ethylhexyl 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: June 27, 2025
Share:
Inside this article:

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 Diglycol Ethylhexyl Ether?

Diglycol Ethylhexyl Ether is a clear liquid that belongs to the large family of glycol ethers, which are compounds made by linking bits of alcohol and glycol together. Chemically it is known as PEG-2 Ethylhexanol, meaning two small units of ethylene glycol are attached to an ethylhexyl alcohol tail. This mix of water-loving and oil-loving parts lets the ingredient interact with both oil and water on the skin’s surface.

The first glycol ethers were developed in the early 20th century for use in paints and cleaners. Cosmetic chemists later noticed that some of these gentle solvents could lift away dirt without roughness, so lighter versions like Diglycol Ethylhexyl Ether were adapted for skin care. Today manufacturers create it through a controlled reaction that joins ethylene oxide with 2-ethylhexanol, then purify the liquid until it meets cosmetic standards.

You will mainly see Diglycol Ethylhexyl Ether in rinse-off products such as facial cleansers, micellar waters, makeup removers, exfoliating gels and some peel-off masks. It can also appear in pre-shave lotions or clarifying scalp treatments where a mild yet effective cleansing boost is desired.

Diglycol Ethylhexyl Ether’s Cosmetic Benefits/Uses

This ingredient has one key job in formulas, and that single role brings several practical benefits.

As a cleansing agent Diglycol Ethylhexyl Ether helps loosen makeup, oil and daily grime so they can be rinsed away easily. It does this without leaving a heavy film or causing tightness, which makes it a popular choice for gentle face washes and micellar solutions. Its balanced structure also means it can improve the spreadability of a product, giving a smooth glide while keeping the overall feel light.

Who Can Use Diglycol Ethylhexyl Ether

Thanks to its light non-greasy character Diglycol Ethylhexyl Ether suits most skin types, including oily, combination, normal and even sensitive skin that dislikes harsh sulfates. Very dry or eczema-prone skin may prefer richer cleansers yet the ingredient itself is not inherently drying so it is usually well tolerated.

The molecule is produced synthetically from petrochemical or plant-based feedstocks and contains no animal derivatives, making it acceptable for vegans and vegetarians.

No research points to specific risks for women who are pregnant or breastfeeding when using products that contain Diglycol Ethylhexyl Ether in normal cosmetic concentrations. Penetration through intact skin appears minimal, but this is not medical advice and anyone who is expecting or nursing should confirm product choices with a doctor.

The ingredient is not known to cause photosensitivity, so it will not make skin more prone to sunburn. It also plays well with common actives like vitamin C, niacinamide and retinoids because it does not alter their stability.

Potential Side Effects/Adverse Reactions

Responses to topical Diglycol Ethylhexyl Ether differ from person to person. The issues listed below are only potential reactions and most users will never experience them when the ingredient is used at normal cosmetic levels.

  • Mild skin irritation: a temporary feeling of warmth stinging or itching right after application
  • Redness or blotchiness: usually short-lived and more likely in very sensitive or compromised skin
  • Contact dermatitis: rare allergic response marked by persistent rash swelling or flaking
  • Dryness or tightness: possible if the cleanser is left on too long or used excessively
  • Eye irritation: tearing or burning if the liquid accidentally gets into the eyes

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

Comedogenic Rating

Rating: 1 out of 5

Diglycol Ethylhexyl Ether is a light solvent that rinses clean without leaving a waxy or oily residue on skin. Its small size and high water solubility mean it does not sit in pores or create the kind of film that can trap dead cells and sebum. Because of this the ingredient has a very low likelihood of clogging pores, giving it a rating of 1 rather than a perfect 0 since any ingredient in theory could cause issues for a tiny fraction of users.

Suitable for acne-prone and breakout-prone skin.

No data suggests it worsens fungal acne and it does not interact with common acne treatments like benzoyl peroxide or salicylic acid.

Summary

Diglycol Ethylhexyl Ether is used mainly as a gentle cleansing agent that lifts oils dirt and makeup without leaving skin feeling stripped. Its balanced water-loving and oil-loving structure lets it dissolve grime then rinse away easily which also helps other ingredients spread smoothly.

It is not a headline star like hyaluronic acid or niacinamide so you might not see it called out on front labels, yet formulators appreciate its quiet effectiveness in many modern face washes micellar waters and makeup removers.

Overall safety is high with irritation and allergy reports being rare at the low levels found in cosmetics. As with any new product you apply to your skin try a small patch first to check for personal sensitivity.

Was this article helpful?
More from Glooshi:
ADVERTISEMENT
Get all our top headlines in beauty.
Delivered right to your inbox each week. Zero spam, all goodness, opt-out at anytime.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Get the latest beauty news, top product recommendations & brand-exclusive discount codes direct to your inbox.
Send good feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Send bad feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Search