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Conditioning Agent

STRONTIUM CHLORIDE

CAS 10476-85-4
50

Safety score · 0–100

Moderate

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

About

A mineral ingredient that helps condition and maintain healthy-looking skin.

Strontium Chloride (SrCl₂, CAS 10476-85-4) is an inorganic salt used in oral care products for desensitizing teeth and in some soothing skincare formulations. CosIng lists oral care, skin conditioning, and soothing functions. The GHS profile includes H315 (skin irritation), H318 (serious eye damage — Danger), H335 (respiratory irritation), and notably H341 (suspected mutagenicity). The mutagenicity concern is the most significant flag. Strontium ions can substitute for calcium in biological systems. While strontium chloride hexahydrate has a long history in toothpaste (Sensodyne originally used it), the H341 classification warrants careful consideration.

Function

ORAL CARE, SKIN CONDITIONING, SOOTHING

Skin benefits

  • Reduces skin sensitivity and irritation
  • Soothing/anti-itch properties
  • Desensitizes nerve endings

Known concerns

  • Suspected mutagenic activity (H341)
  • Causes serious eye damage (H318 — Danger)
  • Skin and respiratory irritation (H315, H335)
  • Can accumulate in bone tissue substituting for calcium

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.