Skip to content

pH Adjuster

POTASSIUM PHOSPHATE

CAS 7778-77-0 / 16068-46-5 Updated
82

Safety score · 0–100

Good

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

About

A potassium salt of phosphoric acid used as a buffer to keep cosmetic pH stable. Food-grade mineral with no documented dermal safety issues at cosmetic levels.

Function

BUFFERING

Skin benefits

  • Effective pH buffer
  • Mineral salt with food-grade history
  • Stable and easy to formulate

Known concerns

  • No significant concerns at cosmetic concentrations

References

EU

EU CosIng database

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

PC

PubChem

U.S. NIH compound data, GHS hazard codes and toxicity literature.

View →

Related ph adjusters

82
AMMONIUM ACETATE
pH Adjuster
 82
DIISOPROPANOLAMINE
pH Adjuster
 82
DIMETHYLGLUCAMINE
pH Adjuster
 82
MAGNESIUM PHOSPHATE
pH Adjuster
 82
POTASSIUM SULFATE
pH Adjuster
 82
QUINIC ACID
pH Adjuster
 82
SODIUM GLYCINATE
pH Adjuster
 82
SODIUM PHOSPHATE
pH Adjuster

Check your shelf

Find POTASSIUM PHOSPHATE in your products.

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