Sodium Hydroxide (Lye) - for Soap Making. Sodium Hydroxide, or Lye, is the chemical that induces saponification with fats and oils to create that magnificent thing called soap! This lye is in flake form and is easier to measure without worrying about static cling. Please be sure to educate yourself on the safety precautions and proper handling of Lye before using this ingredient.
Lye Purity: 98%
2% anti-caking agent that does not affect soaping process.
Sodium Hydroxide Lye is for creating solid, bar soap. If you wish to create liquid soap, check out our Potassium Hydroxide.
Each container of lye is 32 oz. by volume and about 27 oz. by weight.
How much lye do you need for your soap? Try our lye calculator.
NOTE: This item requires you to agree to the Hazardous Materials Waiver*. This waiver will be provided electronically when adding the item to your cart.
* Click here to read the Hazardous Materials Waiver.
This item will ship Ground Only regardless of the shipping method you choose at checkout. It cannot be shipped outside the lower 48 U.S. states or USPS.
Botanical Name: Sodium Hydroxide
Common Name: Sodium Hydroxide