Skip to content

pH Adjuster

POTASSIUM BITARTRATE

CAS 868-14-4 Updated
85

Safety score · 0–100

Good

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

About

Cream of tartar — a food-grade potassium salt used as a gentle pH adjuster. GRAS food additive with no GHS hazards; long, well-studied safety record.

Function

BUFFERING

Skin benefits

  • Mild pH adjuster
  • Buffering agent
  • Generally non-irritating

Known concerns

  • Possible mild eye/skin irritation from raw powder
  • No significant concerns at cosmetic concentrations

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

Related ph adjusters

Check your shelf

Find POTASSIUM BITARTRATE in your products.

Scan any cosmetic product with LuxSense to see if it contains POTASSIUM BITARTRATE 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.