
Buying Guides·10.25
Piroctone Olamine COA: What 99% HPLC Does—and Doesn’t—Tell a Shampoo Buyer
A 99% HPLC figure can hide salt identity, ethanolamine balance and lot-to-lot variation. Seven COA checks a shampoo buyer should run before approving a piroctone olamine lot.
IIngredexa Editorial Research10.25
