A strong caustic alkaline solution of potassium or sodium salts, obtained by leaching wood ashes. It is much used in making soap as well as its use in biodiesel
Sodium hydroxide Strong alkali used with vat dyes such as Indigo Wear protective clothing when mixing Lye and have good ventilation Always add Lye to cold water !! It is considered corrosive by UPS and has an additional shipping charge
Alkaline (see alkali) liquid extracted by soaking wood ashes in water, commonly used for washing and in making soap. More generally, lye is any strong alkaline solution or solid, such as sodium hydroxide (caustic soda) or potassium hydroxide (caustic potash)
The common term for a caustic alkalai used to make soap The term is fairly general, and can refer to either potassium hydroxide (also known as potash) or to sodium hydroxide (also known as caustic soda)