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PEG-100

What PEG-100 is & what it does

PEG-100 is a polyethylene glycol of average molecular size around 100 units, used in cosmetics as a humectant and solvent. In creams and sunscreens it helps attract water, dissolve other ingredients, and adjust the texture of the formula. PEG compounds are water-soluble and widely used to fine-tune feel and consistency.

What does PEG-100 do in skincare?

PEG-100 is a polyethylene glycol used as a humectant and solvent. In creams and sunscreens it helps attract water, dissolve other ingredients, and adjust the texture and feel of the formula.

Is PEG-100 safe?

PEG ingredients like PEG-100 are widely used in cosmetics and are generally considered safe at the levels used in finished products. Reputable suppliers control them for purity. This is general information and not medical advice.

Is PEG-100 natural or synthetic?

PEG-100 is a synthetic ingredient produced by polymerizing ethylene oxide into water-soluble chains. It is made in the lab to a consistent size and purity.

Sunscreens with PEG-100

We rate 9 sunscreens that contain it:

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