Lye

**Definition:** Generally speaking, it is the alkaline substance obtained from wood ashes by percolation. Preparations of lye can be solutions of either potassium or sodium hydroxide. The term lye, is also used to refer to the household product which is a mixture of sodium hydroxide and sodium carbonate.

**Tree numbers:** - D01.045.250.400 - D01.248.497.158.459.344