Wiktionary
piroctone olamine
n. The ethanolamine salt of piroctone, used to treat fungal infections and as a replacement for zinc pyrithione in antidandruff shampoo.
Wikipedia
Piroctone olamine
Piroctone olamine, also known as Octopirox ( Clariant) and piroctone ethanolamine, is a compound sometimes used in the treatment of fungal infections. Piroctone olamine is the ethanolamine salt of the hydroxamic acid derivative piroctone.
It is often used in anti- dandruff shampoo as a replacement for the commonly used compound zinc pyrithione.