+Lye is a powerful [alkali](/wiki/alkali), often [sodium hydroxide](/wiki/sodium_hydroxide) or potassium hydroxide, known for its corrosive nature. Historically crafted from wood ash, it remains vital for crafting soap and in various industrial and food processes, demanding respectful handling.
+## See also
+- [Saponification](/wiki/saponification)
+- [Caustic](/wiki/caustic)
+- [PH Scale](/wiki/ph_scale)