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Two gray salt bars sitting on a white marble table with a gray bowl of white sea salt sitting next to them.

How to Make Natural Hot Process Sea Salt Soap (Recipe)

Print Recipe

Equipment

  • Crock pot
  • Stick blender or immersion blender
  • Digital scale
  • Soap molds (a loaf mold or silicone mold works well)
  • Separate containers for oils, lye, and salt
  • Double boiler (or microwave) for melting hard oils
  • Protective gear – gloves, goggles, and long sleeves
  • Well-ventilated area for mixing lye water

Ingredients

  • Coconut oil – 4.8 oz great for cleansing and lather
  • Olive oil – 9.6 oz gentle and moisturizing
  • Castor oil – 1.6 oz boosts lather
  • Cocoa butter – 1.6 oz hardens the bar
  • Tallow beef - 12.8 oz
  • Avocado Oil - 1.6 oz
  • Sea salt or pink Himalayan salt – 8 oz to 12 oz adjust based on preference
  • Distilled water – As calculated
  • Sodium hydroxide lye – Use a lye calculator to get the correct amount
  • Essential oil blend – Up to 1 oz optional but heavenly

Instructions

  • Working with sodium hydroxide (lye) can be dangerous. Always:
  • Keep kids and pets out of the room
  • Wear protective gear
  • Mix lye in a well-ventilated area
  • Add lye to warm water, not the other way around

Notes

 
 
Author: Jennifer Butler