Discount on Lye (sodium hydroxide), Rubbing alcohol, and more Are you a soapmaker in the UK? for great value lye (sodium hydroxide) try JennyChem, they are one of the cheapest suppliers in the UK, I use their lye in all of my soap. You can even get 5% off any order if you use my special discount code LISA7152 - go to Jennychem at - https://www.jennychem.com/