pH Adjuster
Lithium hydroxide
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Lithium hydroxide — a strong corrosive base used at very low levels for pH adjustment. EU-restricted because both the base and the lithium ion carry health risks.
Skin benefits
- Strong base used for pH adjustment
- Soap-saponification in specialty bars
- Industry workhorse alkali
Known concerns
- Corrosive to skin and eyes
- Lithium ion has documented systemic toxicity
- Strict EU caps in cosmetics
- Inhalation hazard
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related ph adjusters
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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.