Emulsifier

Glycol Stearate Se

INCI: GLYCOL STEARATE SE

Reviewed by Emma · Last updated 14 Aug 2026

Also known as: Glycol Stearate Se

A gentle emulsifier that helps bind water and oil in skincare formulations

Best For Skin Types

All, Oily, Combination, Dry

Addresses

Texture, Product consistency

Effective Concentrations

1-5%

Usage Frequency

Daily

What Is Glycol Stearate Se?

Glycol Stearate SE is a synthetic emulsifier derived from stearic acid and ethylene glycol. It belongs to a class of ingredients called surfactants, which have one end that attracts water and another that attracts oil. This dual nature allows them to stabilise products where water and oil would otherwise separate.

In skincare formulations, Glycol Stearate SE helps create smooth, stable textures by keeping moisture and oils evenly distributed. It's commonly found in creams, lotions, and cleansers where a consistent, pleasant texture is important.

How It Works

Glycol Stearate SE molecules position themselves at the boundary between water and oil phases in a formula. One part of the molecule is attracted to water whilst another is attracted to oil, allowing them to hold these two incompatible ingredients together in a stable emulsion.

This stabilising action reduces the need for higher concentrations of other emulsifiers, which can sometimes irritate sensitive skin.

Clinical Evidence & References

Glycol Stearate SE has a long history of safe use in cosmetics and is well-established as an effective emulsifier. However, published clinical studies specifically evaluating its skincare benefits are limited. Most evidence for its safety and efficacy comes from decades of use in formulations and industry safety data.

Some users report concerns about potential comedogenicity or fungal acne triggering properties, though robust clinical evidence supporting this link is lacking. Individual responses vary, and the overall formulation matters more than any single ingredient.

How to Use

Glycol Stearate SE is typically included by manufacturers in finished products rather than used directly by consumers. When using a product containing this ingredient, apply as directed on the packaging. If you have acne-prone or fungus-prone skin, monitor how your skin responds over 2–4 weeks, as individual tolerance varies.

Safety & Precautions

Glycol Stearate SE is generally well-tolerated and approved for use in cosmetics across major regulatory bodies. Some individuals with sensitive or acne-prone skin report potential irritation or fungal acne triggering, though this is not universally experienced and evidence is anecdotal.

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