How to Make Coffee Soap


Make this soap that smells good enough to eat...or drink.

Things You'll Need

  • Soap Coloring
  • Soap Fragrance
  • Soap Molds
  • Bath Towels
  • Black Coffee
  • Cocoa
  • Coconut Oil
  • Distilled Waters
  • Olive (not Virgin) Oil
  • Shortenings
  • White Vinegar
  • Latex Gloves
  • Lye
  • Double Boilers
  • Kitchen Knives
  • Mixing Spoons
  • Old Wooden Spoons
  • Mitre Boxes
  • Safety Glasses
  • Using distilled water, make 2 c. of the strongest coffee possible.

  • Heat 2 c. olive oil (not virgin) and 2 c. coconut oil to 100 degrees F in a double boiler.

  • Stir in 1 tsp. powdered cocoa.

  • Remove from heat and allow the mixture to cool.

  • Add 4 ounces of lye flakes to 1 ½ cups (12 ounces) of cold coffee. Add the lye to the coffee, not vice versa. When lye meets water, it immediately begins to heat.

  • Stir constantly with a plastic spoon until it's well-mixed.

  • Let the lye-coffee mixture cool to room temperature.

  • Confirm that the oils are also at room temperature - ensuring that both mixtures are at the same temperature.

  • Pour the lye mix into the oils slowly, and stir slowly and constantly for about 30 minutes. If you see bubbles, stir more slowly. The mixture will get somewhat grainy - this is normal.

  • Once in awhile, drizzle the soap into the pot. When it keeps its shape momentarily before sinking into the rest of the mix (tracing), pour it into a mold greased with Crisco.

  • Wrap the mold in a towel and leave it undisturbed for 18 hours. The soap mixture will heat up and then cool down. Don't uncover it until it's cooled.

  • Allow the soap to sit in the uncovered mold for another 12 hours.

  • Loosen the sides by wiggling the mold a little.

  • Turn the mold over onto a clean counter.

  • Cut the soap into bars with a knife. Some people use a miter box to make square corners.

  • Allow the bars to cure for 3 to 4 weeks before using. Smaller bars cure faster than larger ones.

Tips & Warnings

  • Don't wash your soapmaking supplies in the dishwasher or you'll be cleaning your kitchen floor as well.
  • Keep a cup or two of vinegar handy in case you get lye on your skin.
  • Lye is wickedly caustic. Always wear eye protection and gloves when using it.
  • Never use aluminum with lye.
  • Don't use containers or utensils used for mixing lye solutions for anything else.
  • Add lye to water - not vice versa! If you add water to lye, it could react by splashing and burning you. Add the lye slowly.
  • Ensure that the lye mixture and the oil mixture are the same temperature and at room temperature before combining the two.

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