Humectant / solvent (polyethylene glycol)
PEG-800
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
PEG-800 is a high molecular weight polyethylene glycol used as a humectant and solvent in skincare and haircare. It boosts hydration and texture, with safety dependent on supplier-level purification of impurities.
Skin benefits
- Effective humectant that attracts water to skin and hair
- Solubilises other ingredients in water-based formulas
- Very low irritation potential on intact skin
- Long history of safe use in personal-care products
Known concerns
- PEG materials may contain trace 1,4-dioxane and ethylene oxide impurities
- Penetration enhancer effect on compromised or broken skin
- Not biodegradable, environmental persistence concerns
- Quality depends heavily on supplier purification standards
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, so always read the physical product label and consult a healthcare professional for personal concerns.