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Ingredient · INCI reference

Peg-10 Phytosterol

PEG-10 Phytosterol is an ethoxylated plant sterol used in cosmetics as an emulsifier and skin-conditioning agent.

What it is

PEG-10 Phytosterol is made by reacting plant-derived sterols with about ten units of ethylene oxide, producing a nonionic emulsifier. It helps blend oil and water phases and can impart a conditioning feel to the skin. It is used in emulsions including sun care products.

Safety & warnings

PEG phytosterol emulsifiers are generally well tolerated and are not considered notable allergens or comedogens at typical use levels.

Origin & sourcing

It is derived from plant sterols (phytosterols) that have been ethoxylated; the sterol portion is of botanical origin and the PEG portion is synthetic.

Questions everyone asks

What is PEG-10 Phytosterol derived from?

It is made from plant-derived sterols that are ethoxylated to create a nonionic emulsifier.

What does it do in a formula?

It acts as an emulsifier that helps combine oil and water phases and conditions the skin.

Sources & references

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