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pH Adjuster

CALCIUM DIHYDROGEN PHOSPHATE

CAS 7758-23-8 Updated
84

Safety score · 0–100

Good

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

About

An inorganic calcium-phosphate salt used to buffer pH and provide mineral support in cosmetic formulations. Food-grade safety record and no documented dermal toxicity at typical use levels.

Function

BUFFERING

Skin benefits

  • Stable pH buffering
  • Calcium and phosphate source
  • Non-irritating in rinse-off and leave-on
  • Food-grade safety record

Known concerns

  • Mild abrasiveness if undissolved
  • Dust inhalation hazard during manufacturing only

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.