Zinc Pyrithione

Zinc Pyrithione 50%

Zinc Pyrithione

  • INCI Name:        Zinc Pyrithione
  • Chemical Name:Pyridine-2-thiol-1-oxide, zinc complex (2:1)
  • CAS No:             13463-41-7

Zinc Pyrithione can be used in shampoos for dandruff, it inhibits the growth of Gram-positive and negative bacteria and molds. It can effectively care for the hair, delay the aging of the hair, and control the generation of gray hair and hair loss.

ZPT-50 is an ultrafine aqueous suspension of Zinc Pyrithione, it has been used in the shampoo industry for more than 30 years. It has a definite anti-dandruff effect and is the most used anti-dandruff agent in the world. Its anti-dandruff mechanism is based on a strong inhibitory effect on the dandruff-producing fungus Pityriasis ovale. The emergence of ZPT-50 with ultra-fine particle size increases the anti-dandruff effect and solves the problem of precipitation.

The maximum allowable mass fraction of zinc pyrithione in cosmetic is 0.5%, and it is only used in products that are washed away after use.

Uses & Applications

Personal care

 Widely used in gel, cream, lotion, dusting powder and anti-dandruff shampoo, as well as in deodorant and disinfection products.

Product Details






Off white powder


≥ 98.0%

pH (5% aqueous solution)


Melting point

≥ 240℃

Loss on drying

≤ 0.5%

Shelf Life

24 months

Download Data Sheet

Technical Data Sheet –Zinc Pyrithione

Material Safety Data Sheet– Zinc Pyrithione

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