Gather oils/fats, distilled water, lye, salt, fragrance, colorant, and a mold
Wear gloves, goggles, and long sleeves
Measure all ingredients accurately by weight
Prepare a lye solution by slowly adding lye to water
Stir until the lye fully dissolves
Let the lye solution cool
Melt and combine the oils/fats
Cool the oils to the desired temperature
Slowly add the lye solution to the oils
Mix until the soap reaches trace
Add fragrance, colorant, or additives
Pour the mixture into the mold
Tap the mold to remove air bubbles
Cover and let the soap set
Unmold the soap after it hardens
Cut the soap into bars
Cure the bars in a dry, ventilated area
Turn the bars periodically during curing
Store the finished soap in a cool, dry place