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pH Adjuster

TRIS BUFFERED SALINE

Updated
94

Safety score · 0–100

Excellent

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

A simple buffered saline made of tromethamine (Tris) plus salt — used to keep formulations at skin-friendly pH. Decades of medical/biotech use, virtually no skin reactivity.

Function

BUFFERING

Skin benefits

  • Maintains physiological pH
  • Isotonic, mimics body fluid
  • Long medical/biotech use history
  • No significant skin reactivity

Known concerns

  • No significant concerns at cosmetic concentrations

References

EU

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 — always read the physical product label and consult a healthcare professional for personal concerns.