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pH Adjuster

DIAMMONIUM PHOSPHATE

CAS 7783-28-0 Updated
72

Safety score · 0–100

Fine

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

About

An inorganic ammonium phosphate salt used as a pH buffer or fermentation nutrient. Safe at cosmetic levels but can mildly irritate eyes if concentrated; no systemic concerns.

Skin benefits

  • pH buffer
  • Mineral source for ferments
  • Stable inorganic salt

Known concerns

  • Mild eye irritant at higher concentrations
  • Limited skin-conditioning value

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.