Thickener
POTASSIUM OXIDIZED MICROCRYSTALLINE CERA
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A potassium salt of oxidized microcrystalline wax — viscosity controller and film-former in cosmetics. Petroleum-derived but highly refined; one of the safer petrolatum-class ingredients in topical use.
Function
Skin benefits
- Effective viscosity control and structuring
- Forms stable films on skin
- Good emulsion stability
- Inert in topical use
Known concerns
- Petroleum-derived (sustainability concern for some users)
- Comedogenic in heavy concentrations on acne-prone skin
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.