Sodium Hydroxide, often referred to as Lye or Caustic Soda is one of the core ingredients used for cold process soap making.
Appropriate safety precautions must be followed when using this product as it can cause severe chemical burns. It should not be used with children or with children present.
Please read and practice all safety precautions when dealing with this caustic substance. Protect yourself by wearing appropriate clothing, eg, Face mask, eye goggles, gloves and apron.