pH Adjuster
POTASSIUM BORATE
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A potassium borate salt used to buffer cosmetic formulations. EU classifies borates as reproductive toxicants (CMR 1B) with strict Annex III concentration caps; banned outright in products for under-3s.
Function
Skin benefits
- Buffering and pH adjustment
- Mild antimicrobial action
- Useful in some specialty formulations
Known concerns
- Classified CMR (reproductive toxicity, category 1B) under EU CLP
- Restricted under EU Annex III with strict concentration limits
- Not permitted in products for children under 3
- Toxic if ingested or absorbed through damaged skin
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related ph adjusters
Check your shelf
Find POTASSIUM BORATE in your products.
Scan any cosmetic product with LuxSense to see if it contains POTASSIUM BORATE and get a full ingredient breakdown with safety scores.
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.