What is it?
Sodium-2-pyridinethiol-1-oxide inhibits the growth of fungi, yeast, mold, and bacteria in cooling fluids, paints, lubricants, and some cosmetic products.

How do I avoid it?
Skin contact with sodium-2-pyridinethiol-1-oxide is required for it to cause a rash. Discontinuation of exposure to products containing sodium-2-pyridinethiol-1-oxide should result in improvement and/or resolution of your dermatitis. By law, all products made in the U.S. for topical use have the ingredients listed either on the product package or the box that contains it, so check the labeling of your skin care products for this ingredient. If there is not enough information, ask your pharmacist or retailer or contact the company
directly. At work, request a Safety Data Sheet (SDS) to help identify potential sources of exposure.

Bactericide and preservative in:
  • Water based printer’s ink
  • Antibacterial agent in metalworking fluids
  • Cooling fluid additive
  • Paints
  • Synthetic fiber lubricants
  • Vinyl acetate latex
  • Semisynthetic and synthetic oils
  • Sealants
  • Adhesives
  • Laundry rinse additive
  • Carpet cleaners
  • Patching compounds
  • Caulking material
Preservative in:
  • Anti-dandruff shampoos
  • Cosmetic rinse off products
  • Makeup removers
Other names for sodium-2-pyridinethiol-1-oxide:
  • Sodium omadine
  • Na-2-pyridinethiol-1-oxide
  • Sodium pyrithione
  • 1-Hydroxypyridine-2-thione sodium salt
  • 2-Mercaptopyridine-N-oxide
  • 2-pyridinethiol-1-oxide
  • 1-Hydroxy-2(1H)-pyridinethione

How safe is it?

Hang tight. We're thinking.