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Pine Tar Melt & Pour Soap

Learn how to make old-fashioned-style pine tar soap using melt and pour soap base; no handling of lye required!

square bar of soap on a soapstone soap dish

Old-fashioned pine tar soap (and pine tar salve) is often used by those with difficult to treat skin conditions such as psoriasis, eczema, and other dry, itchy, flaky skin conditions.

Pine tar can also easily be added to glycerin or melt and pour soap base to create a quick soap project that’s ready to use right away!

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FAQS About Pine Tar & Soapmaking

Before we dive into the recipe, let’s cover a few frequently asked questions.

Where do I buy pine tar for soapmaking?

I use the Ausen brand, found on Amazon. Some people prefer to use various pine tars found in local feed and farm supply stores, but I like this brand because it’s made in a closed kiln for increased purity and has been noted as suitable for soapmaking.

Visit my Amazon Store Front to see recommended melt and pour items, including pine tar:

storefront image with various soap molds

How much pine tar do you add to melt and pour soap base?

I’ve experimented with different amounts and currently like these ratios:

  • For a lighter color and scent, use 1/2 teaspoon pine tar for every 4 ounces of white soap base.
  • For a darker color and stronger scent, use 1 teaspoon pine tar for every 4 ounces of white soap base.

I’ve noticed that adding more pine tar gives the soap a slightly higher tendency to sweat, so personally prefer the lighter amount.

Feel free to use these numbers as starting guidelines and experiment to find the amount you like best!

square bar of soap on pottery saucer, text says Pine Tar Melt and Pour Soap

Melt & Pour Pine Tar Soap Recipe

Ingredients needed for one soap:


  1. Using a microwave or double boiler, heat the soap base just until melted. (About 30 to 45 seconds in a microwave.)
  2. Don’t overheat, or the base could get lumpy and hard to work with.
  3. Stir in the pine tar and mix well.
  4. Add essential oils, if using.
  5. Pour the hot soap into the soap mold.
  6. Spritz the top with rubbing alcohol to eliminate air bubbles.
  7. Let cool for several hours or overnight, until completely hardened.
  8. Remove from the mold and wrap in airtight packaging.
  9. Store out of direct sunlight or indoor light.
  10. Shelf life is usually at least one year, or longer.

Yield: This recipe will make 2 of the square soaps shown, when using the same mold as listed in the ingredients list.


  • Pine tar has a very strong smoky scent that some people enjoy while others don’t. While you can add essential oils, the scent of pine tar usually overwhelms them. I most often leave pine tar soaps unscented.
  • For easy cleanup, use a plastic spoon to scoop the pine tar out of its container, then use the same spoon to stir the pine tar into the melted soap base.
  • Place the mixing jar and spoon in warm water to soak for a while before washing.
  • Visit my other site, The Nerdy Farm Wife, for a pine tar salve recipe.
photo of book about melt and pour soapmaking beside photo of brown soap on a rope with a decorative tree stamp

Looking for more creative melt and pour soap ideas? Check out my print book, Easy Homemade Melt & Pour Soaps. It’s filled with helpful tutorials, natural colorant galleries, essential oil blends, plus 50 recipes with full color photos of each project!

Available from your favorite bookstore or the following online shops:

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