Isoceteth-10

What is Isoceteth-10?

Isoceteth-10 is a synthetic non-ionic compound formed by reacting isocetyl alcohol, derived from branched-chain alcohols, with ten molecules of ethylene oxide. This ethoxylation process yields a hydrophilic PEG ether widely used in rinse-off and leave-on cosmetics such as shampoos, shower gels, facial cleansers, and emulsion-based moisturizers. In product formulations, it reduces interfacial tension between immiscible oil and water phases, promoting stable emulsions that resist separation. As a surfactant, it aids in dirt and oil removal by facilitating foam generation and rinseability, while its emulsifying properties ensure uniform distribution of active ingredients for consistent application and feel. Its branched structure contributes to mild performance in personal care items.

Comedogenic Rating 0/5 Low risk of clogging pores
EWG Safety Rating 1-2 View on EWG →

Roles in Formulation

This ingredient serves the following purposes in cosmetic formulations:

Surfactant
Lowers surface tension to enable cleansing, emulsifying, and foaming; central to shampoos, body washes, and many emulsions and micellar systems.
Emulsifying agent
Enables stable mixing of oil and water phases by forming an interfacial film, helping create lotions, creams, and cleansers with consistent texture.

Benefits

Enables stable oil-in-water emulsions for smooth, non-separating lotions and creams.

Supports gentle foaming and cleansing action in shampoos and body washes.

Helps create lightweight, rinse-clean formulations without heavy residue.

Who It's For

A quick guide for who this ingredient may suit (and who should be cautious).

Who May Benefit Who Should Avoid
People using daily cleansers needing mild surfactant action.
Those with allergies to polyethylene glycol ethers.
Individuals with oily or acne-prone skin due to non-comedogenic profile.
People preferring formulations without ethoxylated ingredients.
Users of emulsion products seeking consistent texture and spreadability.
Individuals sensitive to surfactants, despite its mild nature.

Safety Notes

  • Assessed as safe for cosmetic use by expert review panels.
  • Shows low skin and eye irritation potential in standard tests.

Frequently Asked Questions about Isoceteth-10

What does Isoceteth-10 do in skincare?

It acts as a surfactant for cleansing and foaming, and an emulsifier to blend oil and water for stable products.

Is Isoceteth-10 irritating to skin?

It has low irritation potential, making it suitable for many formulations including daily use items.

Can Isoceteth-10 be used on acne-prone skin?

Yes, with a comedogenic rating of 0, it does not promote pore clogging.