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How To Make Pine Tar Soap—Cold Process Soap Recipe

Pine Tar Soap 6284 650x652 1

Many of us deal with itchy, irritated skin from time to time. But if inflamed skin has made itself an everyday occurrence, it’s time to break out the big guns. Yes, the right after-shower care is essential, but body lotion can only go so far if your in-shower routine is wreaking havoc on your skin. That’s where pine tar soap comes in. Pine tar has been used to nourish skin, soothe irritation and treat various skin conditions for over 2000 years. And just a little bar of pine tar soap can lock in moisture and relieve itchiness.

While you’re free to add a little pine tar to your next batch of melt-and-pour soap, I recommend making cold process soap. It may take a bit longer to cure, but one batch will last you about a year.

how to make pine tar soaphow to make pine tar soap

What is pine tar soap?

Like the name suggests, pine tar soap is simply a cold-process soap that contains the sappy resin from pine trees (known as pine tar).

Pine tar is made by burning the wood of pine trees in an enclosed container until it breaks down into its component parts: charcoal and tar. The tar is then siphoned off so it can be used for other things, like as a wood preservative, baseball bat sealant, and bath and body treatment (random, right?).

The burning process gives pine tar a strong, smokey scent that some people may find a little overpowering. Guys seem to love the smell though, it’s what makes this Dr. Sasquatch pine tar soap super popular! If you want to tone down the smell, essential oils are often used to give the soap a fresh, clean scent and skin-soothing properties to boot.

how to make pine tar soaphow to make pine tar soap

Benefits of pine tar soap for skin

Pine tar has been shown to be antipruritic, anti‐inflammatory, antibacterial and antifungal, which makes it a suitable treatment for many inflammatory skin conditions [source], such as:

—Eczema
—Psoriasis
—Seborrhoeic dermatitis
—Contact dermatitis
—Poison ivy and poison oak
—Dandruff

And because pine tar is a humectant, it helps lock in moisture so skin doesn’t feel as tight and itchy during the winter months.

How to make pine tar soap

Because pine tar soap is known for its soothing and moisturizing properties, it’s usually made with nourishing ingredients, like olive oil, shea butter, almond oil and chamomile. I don’t use all of those in this recipe, but you’re free to add other herbs, essential oils or body butters, if you’re feeling adventurous. Otherwise, stick with this tried and true recipe for an easy homemade pine tar soap.

Soap Making Tools

—Gloves
—Safety goggles
—Soap pot
—Kitchen scale
—Glass measuring cup
—Mason jar with lid
—Thermometer
—Measuring cups
—Spoons
—Stainless steel whisk*
—Spatula
—Soap mold

*I was in a hurry, so I used a stick blender to make my soap and it came to trace too quickly. Huge mistake! While using a whisk may take longer, it makes all the difference.

pine tar soap ingredientspine tar soap ingredients

Pine tar soap ingredients

—10 ounces distilled water, at room temperature
—3.8 ounces sodium hydroxide lye
—18 ounces olive oil (60%)
—6 ounces coconut oil (20%)
—3 ounces almond oil (10%)
—3 ounces pine tar (10%)
—0.5 ounces cypress essential oil
—0.25 ounces lemongrass essential oil
—0.2 ounces copaiba essential oil (or feel free to use whatever essential oils you like!)

Making lye water for homemade pine tar soapMaking lye water for homemade pine tar soap

Step 1 | Make your lye water

Put on your goggles, gloves, a particle mask, and cover any exposed skin. Then go outside or to a well-ventilated space.

Pour distilled water into a heat-proof glass jar. Step back so that your face isn’t directly over the jar, then slowly pour in the lye. The mixture will heat up quickly and give off strong, toxic fumes, so give it a minute or two finish off-gassing.

Using a wooden spoon, gently stir the mixture until the lye dissolves and it turns clear.

Set the lye water aside and let cool to about 75 degrees Fahrenheit. While we’d usually use hotter lye water, pine tar needs cooler temperatures to keep it from overcooking.

Melt oils for homemade soap with pine tarMelt oils for homemade soap with pine tar

Step 2 | Melt your oils

While the lye is cooling, measure the coconut, olive and almond oils in a stainless steel, glass or ceramic container.

Melt the oils over low heat until just barely melted. Set the oils aside and let them come to room temperature as well. 

Add the pine tar and essential oils to cold process soapAdd the pine tar and essential oils to cold process soap

Step 3 | Add the pine tar and essential oils

Once the oils have cooled, add the pine tar and any essential oils to the melted olive oil mixture. Stir well.

Combine the lye and oils for homemade pine tar soap recipeCombine the lye and oils for homemade pine tar soap recipe

Step 4 | Combine the lye and oils

Put on your gloves and safety goggles.

Slowly pour the lye water into the oils, being careful not to let the lye splash your skin. Using a wire whisk, slowly stir the mixture until it forms a batter. This may take anywhere from 3 to 6 minutes, so be patient! And definitely don’t use an immersion blender, like did, unless you want it to come to trace too quickly.

pouring pine tar soap into soap moldspouring pine tar soap into soap molds

Step 5 | Pour soap into the mold

Once the soap reaches a loose pudding consistency, pour it into a silicone mold and set aside for 72 hours. You don’t need to cover or wrap this soap.

How to make pine tar soapHow to make pine tar soap

Step 6 | Slice cured soap into bars

After 72 hours, you should be able to remove the soap from the mold. Pine tar soap firms up as it breathes, so it may be a little soft when you first try un-molding it. If it’s still too soft, let it sit another 24 hours, then try again.

Slice into bars, then set the bars somewhere they can breathe without being disturbed. Let cure for another six weeks before using.

Tips for making pine tar soap

Unlike other soaps, this soap works better if you mix the ingredients at low temperatures. If you’re in a hurry, put your lye water in the freezer for about an hour to help it cool more quickly. 

To help your soap un-mold more quickly, add 1 teaspoon table salt to the water before adding the lye.

Warm your pine tar before adding it to the oils to help it dissolve more easily. To do this, place your pine tar in a small bowl, then place the bowl inside a large bowl. Pour hot water into the large bowl and let it sit for 5-10 minutes.

It’s really hard to get pine tar off of everything it touches. I found that the best way to clean spoons, bowls and measuring cups that have handled pine tar is by tossing them into a large bowl and soaking them in boiling water. Once the tar has melted substantially, you can wipe the equipment down with paper towels and put it in the dishwasher.

Pine Tar Soap FAQ

Can I use pine tar soap on my face?

Pine tar is great for both body and face. If you suffer from acne or other inflammatory skin conditions of the face, try using pine tar soap on affected areas 1-2 times a day.

Is pine tar soap good for body odor?

Thanks to its antibacterial properties, pine tar soap can help kill the bacteria that causes body odor.

Is pine tar soap good for pimples?

Yes, pine tar soap may help reduce the appearance of acne. If you suffer from serious breakouts, try adding other antibacterial essential oils for acne to your soap, like tea tree, lavender, and rosemary. 

Can I use pine tar soap to wash my hair?

Yes! Pine tar soap can even be used as a shampoo bar. It’s gentle enough to clean hair and soothe your scalp at the same time.

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