Charcoal and Sea Salt Acne-Busting Face Bar Cold Process Soap

This is day four in my 30 day blogging challenge. My goal this month is to post one recipe every day. You can see day one here, day two here and day three here. These recipes feature natural colorants and additives and are scented using natural essential oil blends.

Charcoal and Sea Salt Acne-Busting Face Bar Cold Process Soap

Because this soap gets hard, its best done in individual cavity molds. So let’s get started!

charcoal and sea salt acne bar

Featured Ingredients:

Charcoal – Charcoal is drawing and helps to remove oil and sebum from your pours.

Sea Salt – Sea salt is purifying, drawing and acts as an astringent. This website explains how it helps your skin here.

Tea Tree Essential Oil – Tea tree is anti-bacterial and anti-microbial making it a great zit-busting oil to use in a facial bar. Tea tree, teamed up with charcoal, seams to help with acne.

*If you are selling your soap, be sure not to make medical claims. When using facial bars, lather up with a luffa. Allow the soap lather to sit on your face (like a mask) for a bit before washing off. This will allow the ingredients to work their magic.

Charcoal and Sea Salt Acne-Busting Face Bar Soap Recipe

Coconut oil – 20 oz.
Olive oil – 10 oz.
Avocado oil – 2 oz.

Lye – 4.7 oz.
Water – 10 oz.

This recipe uses a higher amount of coconut oil to make sure its nice and lathery with the added salt. We used a 10% superfat to leave unsaponified oils in it to combat the drying effects of high coconut oil. Its not a full blown salt bar; you can find recipes for those here as well. I also use more water in this as coconut oil can move fast with a water discount. The lather on this bar is nice and lotion-like. It doesn’t produce super fluffy lather as salt is a lather killer.

Additives:
Charcoal – 1 tablespoon (add to oils)
Fine Sea Salt – 2 tablespoons (add to lye water to dissolve)

Essential Oil Blend:

Lavender Essential Oil – 20 grams
Tea Tree Essential Oil – 15 grams
Peppermint Essential Oil – 15 grams
Rosemary Essential Oil – 10 grams

Basic Soapmaking Process:

New to soapmaking? Visit our basic tutorial here.

Step 1 – Wearing safety gear, weigh out the lye and water into two separate containers.

Step 2 – Pour the lye into the water while stirring. Place in a safe place and let cool while you prepare the oils.

Step 3 – Weigh out the hard oils/butters and melt.

Step 4 – Weigh the liquid oils into the melted oils/butters. This helps cool the oils down.

Step 5 – Add essential oils and additives to the melted oils. Stick-blend to get rid of clumps if any occur.

Step 6 – Once both the lye solution and oils have cooled to under 100° F, add the lye solution to the oils and mix to trace. Be sure to wear goggles and gloves!

Step 7 – Pour the soap into your mold.

Step 8 – Unmold, cut and cure your soap for at least four weeks.

 

Happy Soaping!

Amanda Gail

 

pssssst – Do you want more cold process soap recipes featuring natural additives and essential oil blends? Check out Lovin’ Soap Studio Cold Process Soap Recipe Book! This recipe book contains 50 recipes for cold process soap and 64 essential oil blends. You can get it as a PDF eBook here or a printed book here.

Are you looking for soapmaking, nail polish and other body care product classes in the Kansas City area? Check out our schedule. Our studio is in Downtown Lee’s Summit, MO.

About the Author:

I am a soapmaker, author and blogger! I started blogging in 2008, sharing soap recipes, design tutorials and publishing articles on various topics of soapmaking.

36 Comments

  1. VitaNerve Forte June 5, 2017 at 2:31 am - Reply

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  3. Gail Farrington March 13, 2017 at 8:03 pm - Reply

    Amanda, what temperature do you cool it to and also when you make yours do you put it on heat or just wrap in towels ?

  4. HydraEye March 9, 2017 at 7:29 pm - Reply

    Thankfulness to my father who informed me on the topic of this
    web site, this web site is truly amazing.

  5. Helen March 3, 2017 at 10:15 pm - Reply

    I made this as a HP batch tweaking a bit and used hemp in place of the avacado. It’s lovely!!

  6. Ashlee February 12, 2017 at 6:40 pm - Reply

    This recipe looks amazing! What does the salt do in the bar? Especially since the instruction is to lather the bar on a luffa and not directly on the face, makes me wonder what the soap adds to the bar?

  7. Corrine January 27, 2017 at 12:45 pm - Reply

    Hi Amanda, I made this soap and it turned out awesome. I changed up the essential oils some and it did heat and cracked a little but uncovered and it turned out wonderful and looked shinny and like granite. I was wondering if you could tweak this with using some different clays for color along with the charcoal and do a swirl or something.

  8. Farida January 17, 2017 at 4:03 pm - Reply

    Hello Amanda
    The recipe seems great . I want to make 2 pounds batch. How much essential oils do i need?
    Thanking you
    Farida

  9. Kristen November 19, 2016 at 7:29 pm - Reply

    I made this soap and followed it to the letter but it is currently exploding through a big crack in the center (it is in a round PVC mold) Is this soap going to be unusable?

  10. Danielle November 19, 2016 at 6:15 pm - Reply

    I made this soap last night and followed the recipe to the letter. I mixed at approximately 100 degrees and put it to bed under blankets and towels on my dryer. When pouring it into molds, it was very black and glossy. When I unmolded it today it was grey and dull. It’s not awful but I really hoped for a stunning, glossy, bkack bar. What can I do differently to achieve this?

  11. Jane November 7, 2016 at 9:01 pm - Reply

    Can this recipe be made with goat milk?

  12. faisal zaman August 24, 2016 at 3:12 pm - Reply

    Hi Amanda
    after how much time this acne soap expire?

  13. faisal zaman August 24, 2016 at 2:05 pm - Reply

    Hi Amanda
    for how much time this acne soap expire?

  14. Jenn July 10, 2016 at 10:01 pm - Reply

    I’m new to soap making and this looks like a great recipe to try! I love that it’s palm oil free. Can you tell me how many pounds this recipe yields (as is) ? Thank you!

    • Amanda Gail July 11, 2016 at 2:36 pm - Reply

      Hi Jenn! You’ll love making soap! To find out how much a recipe yields, you simply add up all of the ingredients. (Oils + Lye + Water) So this recipe will yield 46.7 oz of soap. Divide by 16 to get pounds. So it will equal 2.9 pounds of soap.

  15. Eva June 5, 2016 at 8:40 pm - Reply

    Hi Amanda!
    I really enjoy your website and the eBooks I’ve gotten from you so far. Thanks for your time & sharing!
    I LOVE this Charcoal recipe! I followed the instructions exactly & it is wonderful! I found I prefer it gelled & it cut better on the batch I gelled.
    I had a co worker request a soap with Charcoal as a facial soap and found your recipe. Thank you so much! It is easy to understand and I am amazed at the lotion-like lather from it. (She loved it by the way) Yay! : )

  16. Daniela Chung May 12, 2016 at 12:08 am - Reply

    Did it make anyone’s face worse or is my skin just extra sensitive?

    • Daniela Chung November 3, 2016 at 1:52 pm - Reply

      Nevermind, I think my skin was detoxing. 🙁 It’s back to normal now!

      • Amanda Gail November 4, 2016 at 7:47 am - Reply

        Oh good! Glad you’re back to normal. 🙂

  17. zane1 May 8, 2016 at 10:30 pm - Reply

    I just made this and it took forever to trace-and barely traced at that…..Why is this?

    I did use less essential oils as I am sensitive to smell, but can’t imagine that would be the reason……

  18. Michele March 28, 2016 at 5:07 pm - Reply

    Hi! I just did this recipe and it turn out to be a light green, not black. I follow all the recipe as mention, did put the charcoal. Having a light color soap I’m pretty sure it won’t turn darker when unmolding, do you know what could have happend?

    • Amanda Gail March 29, 2016 at 7:41 pm - Reply

      Hi Michele! It could be the type of charcoal you used or the supplier. YOu can always add more next time to up the black. When you’re mixing charcoal soap, what you see is what you get. So if it isn’t dark enough when mixing, add some more.

  19. Therese March 14, 2016 at 1:08 pm - Reply

    Hi! I just made this soap, and had a quick question.

    I followed the recipe exactly, but after pulling it out of the molds and letting it sit out for two days, I cut it and it’s really crumbly. Do you have any idea what caused that?

    Thanks!

    • Greta April 6, 2016 at 2:01 pm - Reply

      If your soap is crumbing, it could be lye heavy. Test it with a pH strip, or do a tongue test (lightly touch your tongue to the soap, and if you get a small zap, your pH is off).

      • Therese April 6, 2016 at 3:32 pm - Reply

        Greta,

        I thought about that, but since I’ve made a lye heavy batch of soap before I couldn’t really see the resemblance between the two. Still, I’m going to do a bit of testing on it (your suggestion is a good one 🙂 ) to see if that may be it.

    • Eva June 5, 2016 at 8:32 pm - Reply

      Hi Theresa!
      I have made this fantastic recipe Amanda shared 2 times now, following the instructions exactly. the 1st batch I soaped between 95 – 100 degrees , used a narrow loaf mold, and it did NOT go through gel stage. This one was crumbly on the edges when I cut it. The soap was still wonderful tho, and people I shared it with loved it! (thanks Amanda!)
      However, on the second batch I chose to use round PVC pipes for round bars. I soaped warmer, between 105-110. I set my molds upright in a box heavily encased in waded newspaper to insulate, and covered them also. These DID go through gel stage. I noticed they were much more solid to cut and have a nicer shiny surface too!
      I plan on continuing to go for gel with this on in the future. : )

  20. Suzanne November 26, 2015 at 10:17 am - Reply

    I tried this soap last night, but substituted almond oil for avocado oil. There were no problems and I poured it into the molds. When I checked it this morning the soap had not hardened and was actually crumbly and spongy. Its also a light gray color. Any idea what may have gone wrong?

    • Amanda Gail November 26, 2015 at 8:50 pm - Reply

      Hi Suzanne! Did you happen to use dead sea salt? Dead sea salt doesn’t work in CP soap and will cause the soap to be soft and spongy. That is all I can think of. This recipe works well for me.

  21. Jen September 11, 2015 at 9:37 am - Reply

    Hi…

    I’ve haven’t tried a salt soap recipe yet but have heard that it hardens very quickly. I’m wondering, with only the two tablespoons of sea salt will it harden as quickly as recipes with 50-100% salt?

    JenFarr

    • Amanda Gail September 18, 2015 at 3:40 pm - Reply

      No, not as quickly at all.

  22. Amanda July 8, 2015 at 12:13 am - Reply

    HI Amanda
    Would substituting 5% of the olive oil for castor oil increase the lather? Or would the salt just kill all of the lather anyway.
    Thanks Amanda

    • Amanda Gail July 8, 2015 at 2:02 pm - Reply

      That would certainly help! 🙂

      • Amanda July 8, 2015 at 7:08 pm - Reply

        Thanks Amanda! Looks like a great recipe. Looking forward to giving it a try over the weekend.

  23. Jane July 6, 2015 at 2:46 pm - Reply

    What type of Coconut Oil did you use in this recipe?

    • Amanda July 6, 2015 at 3:03 pm - Reply

      Hello Jane! I used coconut oil – 76 degree melt.

      • Dana March 14, 2016 at 7:52 pm - Reply

        Would it be ok to use extra virgin OO?

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