All products
5

Ingredient · Emulsifier

Peg-40 hydrogenated castor oil

Mixed · 5/10, higher is cleaner

How we reached this

PEG-modified castor oil used as surfactant + solubilizer. Functional + non-irritating but inherits the PEG class concern: ethoxylation step can leave trace 1,4-dioxane unless purified. EWG hazard 2-3.

Sources · 1

Products containing this · 3

About this rating

Ratings run 1–10, higher is cleaner, and are set editorially against the sources above — see the methodology page for how an ingredient rating becomes part of a product score. Last reviewed 2026-05-25.