PEG-200

PEG / Ethoxylated

What is PEG-200?

PEG-200, known chemically as polyethylene glycol with an average molecular weight of 200, is a synthetic polymer produced by the polymerization of ethylene oxide. This clear, odorless, water-soluble liquid belongs to the polyoxyethylene family and is widely employed in cosmetic formulations such as moisturizers, cleansers, toners, and hair conditioners. It functions primarily by attracting and retaining moisture in the skin's outer layer due to its humectant properties, which help maintain hydration levels. As a solvent, it facilitates the mixing of water- and oil-soluble components, enhancing formula stability and active ingredient delivery. In its role as a binder, PEG-200 strengthens product cohesion, improving application smoothness and longevity on the skin. Its low viscosity and high solubility make it ideal for lightweight, fast-absorbing products, contributing to overall sensory appeal without greasiness.

Comedogenic Rating 0/5 Low risk of clogging pores
EWG Safety Rating 3 View on EWG →

Roles in Formulation

This ingredient serves the following purposes in cosmetic formulations:

Binder
Helps hold solid ingredients together to form cohesive tablets, compacts, or sticks, improving pressability, integrity, and wear of the finished product.
Humectant
Attracts and holds water in the stratum corneum, boosting hydration and plumpness; commonly used in moisturizers, cleansers, and hair conditioners.
Solvent
Dissolves and carries other ingredients, helping control viscosity, evaporation rate, and delivery of actives in both water- and oil-based systems.

Benefits

Enhances skin hydration by drawing moisture into the upper skin layers.

Improves product spreadability and ingredient blending as a solvent.

Strengthens formula integrity for better texture and wear.

Who It's For

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

Who May Benefit Who Should Avoid
Individuals with dry or dehydrated skin seeking added moisture.
People with oily skin, as it may contribute to excess moisture retention.
Users of water-based products like serums and cleansers for smoother application.
Individuals sensitive to ethoxylated compounds.
Those preferring lightweight formulas that absorb quickly.
Users preferring fully natural or minimalist ingredient lists.

Safety Notes

  • Assessed as safe for cosmetic use by expert panels when properly purified.
  • Potential for trace impurities requires selection of high-quality sources.

Frequently Asked Questions about PEG-200

What does PEG-200 do in skincare?

It acts as a humectant to hydrate, solvent to blend ingredients, and binder to improve product texture.

Is PEG-200 comedogenic?

It has a low comedogenic rating and does not typically clog pores.

Who should be cautious with PEG-200?

Those with oily skin may find it less suitable due to its moisture-attracting nature.