pH Adjuster
BORIC ACID
Safety score · 0–100
Avoid
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Boric acid — a mineral acid once used as preservative and buffer. Now classified in the EU as a reproductive toxicant (CMR 1B) and tightly restricted; modern cosmetics avoid it.
Function
Skin benefits
- Historic preservative and pH buffer
- Used in some specialised eye-care formulations under strict limits
Known concerns
- EU CMR 1B — toxic to reproduction (H360FD)
- Annex III restricted: banned in body products for children under 3
- Penetrates broken skin
- Generally avoided in modern cosmetics
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.