PEG-40 Hydrogenated Castor Oil is a solubilizer/surfactant.
It helps clear water-based formulas hold fragrance oils and oily actives without separating. It is used for formula clarity and stability rather than skin treatment.
Information approach
Consumer-friendly summaries are informed by established cosmetic ingredient references such as INCIDecoder and Paula’s Choice Ingredient Dictionary, while avoiding turning ingredient-level evidence into medical claims about the finished product.
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