Skip to content

Piperazine

CAS 110-85-0
15

Safety score · 0–100

Avoid

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

About

Piperazine is a cosmetic ingredient. Exercise caution due to limited available safety data.

Piperazine is a cyclic diamine used in some hair dye formulations. Under EU Cosmetics Regulation Annex III, piperazine is restricted to a maximum concentration of 0.1% in hair dye substances. It carries H314 (skin corrosion), H317 (skin sensitization), and H334 (respiratory sensitization) hazard statements.

Known concerns

  • Skin sensitizer (H317) and respiratory sensitizer (H334)
  • EU Annex III restricted for hair dye use at max 0.1%
  • Skin corrosion potential (H314)

References

EU

EU CosIng database

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

Check your shelf

Find Piperazine in your products.

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