PEG-75 Stearate

PEG-75 Stearate is a synthetic ingredient made by combining stearic acid, a fatty acid often found in plant or animal oils, with polyethylene glycol (PEG). In skincare and haircare, it mainly acts as an emulsifier and solubilizer, helping oil and water mix smoothly so formulas stay stable and feel pleasant to use. It can also contribute a lightweight, creamy texture without making a product feel overly greasy.

For skin, PEG-75 Stearate is most useful in cleansers, lotions, creams, and makeup removers, where it helps spread products evenly and supports a soft after-feel. In haircare, it may help conditioners and styling products distribute more uniformly through the hair. People who like elegant, non-sticky formulas often benefit from ingredients like this, especially in products designed for daily use.

Caveats: PEG-75 Stearate is generally used at low levels, but as with many emulsifiers, very sensitive skin may prefer simpler formulas if irritation occurs. It is not an active treatment ingredient, so its role is mostly functional rather than transformative. If you’re avoiding PEG-based ingredients for personal preference, check the label and choose alternatives that fit your routine.