Pick up from Penrith Caustic Soda (Lye)
Please choose this option if you are coming into the Penrith store. Our other Caustic Soda option has limitations on the amount available to order as our shipping methods are limited.
Used to make cold process bar soap - Labelled 98% pure to allow for the absorption of atmospheric moisture.
Only 25kg bags are food grade for those who wish to use it for such purposes.