Coconut + Olive Oil Hot Process Soap

I have been wanting to make my own soaps for at least a decade, but was terrified of using lye. So I moved onto other things, like lip balm and hand bound books, and placed my dreams of soap making on the back burner. That is, until this past summer when I began looking for things to do during #the100dayproject and came across a few hot process soap recipes. They looked easy enough and even had VIDEOS showing what it looked like when adding lye to water.

So I invited a friend over while Anna was at school to make a batch, We ended up making coconut oil shampoo bars (which I absolutely LOVE and still use). My friend and I both found the process to be easy and enjoyable and were thrilled to be using a product we had made ourselves.

With that first attempt being such a success, I decided to give it another go. This time opting for a bar that I could use in place of our body wash. I settled on a very basic bar using a mix of olive and coconut oils to get a baseline for what made my skin the happiest. I also wanted to play around with scents since we opted to keep our shampoo bars unscented.

I am fairly happy with how this batch turned out. It leaves my skin feeling soft and moisturized while also smelling lovely in the shower. The only thing that I would change is the amount of lather it creates. Perhaps I’m just used to the shampoo bars which have the most luxurious lather around, but these take a bit more work to get the bubbles out.

Are you a fan of hot process soaps? What’s your go-to soap recipe?

Try your hand at soap making with this beginner-friendly hot process soap. Made with ingredients you already have in your kitchen, this soap is good clean fun! #soapmaking #hotprocesssoap #crockpotsoap
Try your hand at soap making with this beginner-friendly hot process soap. Made with ingredients you already have in your kitchen, this soap is good clean fun!
Try your hand at soap making with this beginner-friendly hot process soap. Made with ingredients you already have in your kitchen, this soap is good clean fun!

How To Make Coconut + Olive Oil Hot Process Soap


*This is an affiliate link. I make a small commission at no cost to you if you purchase it through the link.

For a general overview of how to make hot process soap (and my absolute favorite shampoo bar recipe), check out this tutorial from Mommypotamus.


Coconut + Olive Oil Hot Process Soap

Prep Time 30 minutes
Cook Time 40 minutes
Total Time 1 hour 10 minutes
Course Crafting
Servings 4 servings
Calories 300 kcal


  • 125 grams Coconut Oil, 76 degree
  • 325 grams Olive Oil
  • 165.78 grams Distilled Water
  • 66.31 grams Sodium Hydroxide (Lye)


  • Weigh all of your ingredients.
  • Turn crockpot onto low and add coconut and olive oils.
  • While the oil is warming up, add water to a lye-safe container (#5 plastic is the only thing recommended). In a well-ventilated area (or outside) and while wearing your mask, gloves, and long sleeved shirt, slowly add the lye to the water while stirring. Once the lye mixture transitions from cloudy to clear, bring it inside and let cool for 5-10 minutes.
  • Once cool, add lye mixture to your crockpot and stir.
  • Grab your immersion blender and work it around your crockpot in a figure eight motion. Continue doing this in 20 second intervals of blending and stirring with the immersion blender off until you achieve trace (when the mixture has the consistency of pudding).
  • Cover and cook on low for 30-45 minutes. Keep an eye on your crockpot, as the mixture will rise and fall. If your crockpot isn’t big enough, it could leak out the sides.
  • To test if your soap is done, either use a pH strip or do the “zap test” (put a little of the cooled soap on your tongue and if it zaps you, it needs a bit more time).
  • Once soap is done, pour it into your molds and let set. Soap will be ready to unmold when it comes off of the mold easily or has hardened enough that your finger doesn’t leave an indentation when you press on it. This could take anywhere from several hours to 3-4 days depending on your environment.
  • Remove soap from mold and cut into bars.
  • Store in a cool, dry spot (basements are good for this) and allow to cure for 4-6 weeks.


  • Because of the high olive oil content of the soap, longer cure times are recommended.
  • For those that want percentages to make it easier to run through a soap calculator (which is always recommended), they are as follows:
    Coconut oil = 25%
    Olive oil = 75%
    Superfat = 10%
    Lye to water ration = 2.5:1
  • From

    hi, i’m emily and i love making things with my hands. i always have a project (or ten) in the works and love to draw, paint, cook, sew, crochet, cross stitch, and make soap. this year, i’m focusing my creative efforts on trying new things and just plain having fun.

    9 Comments on “Coconut + Olive Oil Hot Process Soap

    1. Hi I am Carmen and would like to know if I have to put your Coconut + Olive Oil Hot Process Soap recipe through soap calculator or you have already did? I am new to making soap and want to learn how to make this soap.

      1. Hi! It’s always a good idea to run any soaping recipe through a soap calculator. That way you can learn about the qualities of the soap and also make sure your lye amount is within a safe range.

    2. Emily I am having a very difficult time using the soap calculator cannot figure it how to use it. I have mess 3 times making soap and wasted a lot of money making soap if you have any great video on using the soap calculator would greatly appreciated if you can assist me thank you.

      1. Where do you seem to be struggling with your soap making? What do you mean when you say making a mess?

        As for soap calculators, my favorite is SoapMakingFriend. I find it really easy to use.

        There are also several great beginner soap making groups on Facebook that have a ton of resources.

      1. How are you making the soap? Are you doing hot process soap or cold process soap? How are you bringing it to trace? And what is your cure time? All soap needs to cure for best results. I know that I said you *could* use the soap right away, but you’ll get the best results after a 4 week cure time. (I’m going to update the post to reflect that.)

        Whatever you sent me through SoapMakingFriend didn’t come through. Sorry I can’t help you there. I did plug in the info into the calculator myself and it come up with different information. So I’m updating the post to reflect that and will be adding some photos to the post to clarify what properties the soap has and percentages to use (since that seems to be easier). Thanks for having me relook at this because it clearly needs to be updated. It’s one the very first soaps I made, so didn’t have much knowledge about soaps when I made it.

        A few courses/groups I’d recommend looking into:
        The Ultimate Guide to Hot Process Soap from Ashlee Greene
        Soap Queen
        Saponification Nation FB Group
        Soap Making For Beginners Worldwide FB Group

    3. This was the cold press soap I made and this the recipe and let it cure for a month in a half and didn`t turn out right.
      30 oz olive oil
      5 oz coconut oil
      13 oz cold water
      4.3 oz lye
      1 teaspoon dried peppermint leaves
      0.25 oz rosemary essential oil
      0.75 oz peppermint essential oil

    4. If I wanted to make a larger amount, could I just double the ingredients, or would I have to do something different?

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