Well, it is a basic ingredient of soap making involving sodium hydroxide (an essential chemical to make soap) and animal fat (tallow).
Ugh - no thanks - all the Scottish handmade soaps I sell on www.naturalbeautyscotland.com are made with vegetable oils and have lovely Scottish ingredients such as heather (pictured below), whisky, oatmeal, gorse and seaweed - check out the ingredients on this page.
