Can also be used as a rust inhibitor when made up into solution at pH6 and higher.
Effective in cosmetic and toiletry products with typical pH of 5.5 or under (acids only). Effective against mould, fungi and bacteria . Can also be used as a rust inhibitor when made up into solution at a concentration of aprox 0.3%, effective in heating and ventillation systems where rust may otherwise affect pipes and components.
Typical inclusions for cosmetic preservative 0.2% - 0.3%.