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Ingredient · Additive

Refined mineral oil

Cleaner · 7/10, higher is cleaner

How we reached this

USP-grade refined mineral oil — fully refined petroleum distillate. FDA permits as inactive ingredient in OTC topical products + as direct food additive at limits (21 CFR 172.878). EWG Skin Deep flags class for incomplete refining historically (PAH carryover); USP-grade and EU Pharmacopoeia grades have purity specs that eliminate that risk. Inert occlusive — sits on skin, not absorbed.

Sources · 1

Products containing this · 1

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.