The Lab
Specimen No. 0022
AvoidSyntheticemollient

Petrolatum / Mineral Oil

petrolatum · petroleum jelly · white petrolatum

Petroleum-derived occlusive agents. Safe when highly refined, but poorly refined grades may contain polycyclic aromatic hydrocarbons (PAHs), which are carcinogenic.

medium confidence
Researched April 18, 2026

Concerns

  • EU restricts impure petrolatum — only cosmetic-grade (highly refined) permitted
  • Contamination with carcinogenic PAHs in lower grades
  • Occludes pores — may worsen acne-prone skin
  • Petroleum-derived — environmental concern

Regulatory flags

  • EU restricts — only permitted if full refining history documented and not carcinogenic
  • Impure grades may contain PAHs (polycyclic aromatic hydrocarbons)

Commonly found in

Lip balmLotionBaby productsHair productsOintments

Research disclaimer: This rating is based on available peer-reviewed research and regulatory assessments at the time of publication. It is not medical advice. Consult a qualified professional for personal health or skin concerns.

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LabelCleared verdict badge: Petrolatum / Mineral Oil — Avoid
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