Skin Conditioning
SIMETHICONE
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A blend of polydimethylsiloxane with fumed silica used to suppress foam and add silky slip. Pharma-grade safety from decades of medical use, though like all silicones it persists in the environment.
Skin benefits
- Reduces foam and air bubbles during manufacturing and use
- Gives products a silky, smooth feel
- Pharma-grade safety with decades of use as anti-flatulent medicine
Known concerns
- Silicones persist in the environment and are not biodegradable
- Can leave occlusive film some prefer to avoid
- Mild build-up on hair with repeated leave-on use
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
PubChem
U.S. NIH compound data, GHS hazard codes and toxicity literature.
Related skin conditionings
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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.