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STRONTIUM ACETATE

CAS 543-94-2
60

Safety score · 0–100

Fine

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

About

Strontium Acetate is a cosmetic ingredient used in product formulations. Its specific function may vary between products. Note: subject to regulatory restrictions in some markets. Exercise caution due to limited available safety data.

Strontium Acetate (CAS 543-94-2, PubChem CID 10987) is the acetate salt of strontium, listed under EU Annex III/58 with restrictions for oral hygiene products. It functions as an anti-sensitivity agent in toothpastes by occluding dentinal tubules and blocking pain signal transmission. Strontium competes with calcium for biological binding sites. EU regulations limit its concentration (typically 3.5% as strontium) and require specific labelling. While effective for tooth sensitivity, excessive strontium intake raises concerns about bone metabolism interference.

Skin benefits

  • Desensitising agent for tooth sensitivity
  • Dentinal tubule occlusion

Known concerns

  • EU Annex III restricted — concentration limits apply
  • Strontium can interfere with calcium metabolism at high doses
  • Not for use in products for children
  • Excessive use may affect bone mineralisation
  • Must carry specific labelling per EU regulation

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.