PEG-10 phytosterol is a blend of synthetic humectant and solvent PEG-10 with natural skin-caring plant sterols from canola (rapeseed) or soy. This ingredient is used in skin care as a cleanser/emulsifier and plays a role in improving the overall texture of a formula.
PEG-10 phytosterol also goes by the name PEG-10 soy sterol or PEG-10 rapeseed sterol, depending on where it comes from. While this ingredient is most commonly used for its functions listed above, research shows that soy phytosterols in particular can help rejuvenate aging skin by keeping it supple and supple—a nice side benefit to have!
As a class of ingredients, plant-based phytosterols and PEG compounds are generally recognized as safe for use in cosmetic products. https://www.paulaschoice.com/ingredient-dictionary/ingredient-peg-10-phytosterol.html?q=PEG-10%20Phytosterol&fdid=ingredients