DIY Instructions for this natural eucalyptus soap recipe. Eucalyptus essential oil opens airways making this a great soap for the cold and flu season #soapmaking #soaprecipe #coldsandflu
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Herbal Eucalyptus Soap Recipe

Instructions for making this zingy cold-process eucalyptus soap recipe. Eucalyptus essential oil is used to open airways and clear congestion which makes this a great soap for the cold and flu season.

Eucalyptus essential oil isn’t for everyday but it’s your friend during cold and flu season. The smallest of sniffs will sent its minty-camphor scent through your nose and sinuses and deep into your lungs. It practically pushes its way through, making it perfect for when you’re feeling fed up with being stuffed up. You can use the essential oil in a diffuser, on a cotton pad, or fresh in the shower. You can also make this herbal eucalyptus soap recipe.

It’s cleansing and bubbly but most importantly, it helps to refresh and open airways. Not only that, but by washing with it, some of that scent will stay with you through the day, working to keep you feeling your best for a lot longer.

DIY instructions for making this Eucalyptus Soap Recipe. Eucalyptus essential oil opens airways making this a great soap for the cold and flu season #soapmaking #soaprecipe #coldsandflu

New to Soap Making?

If you’re a soap maker already, skip down a section. If you’re a beginner, stay with me. Soap making is a fun and creative hobby and I’ve been teaching people how to make it for years. It’s something that I taught myself and I’m certain that anyone who wants to can learn that way too. If you’re a complete novice though, I really recommend that you read my free Natural Soap Making for Beginners series first. It includes a lot more detailed information on soap making terms, equipment, ingredients, and everything else. The links for each piece are just below.

  1. Ingredients
  2. Equipment & Safety
  3. Beginner Soap Recipes
  4. The Soap Making Process
Hang a branch of eucalyptus in the shower for refreshing scent and respiratory relief during the cold and flu season #herbs #herbalism #herbalmedicine
Hang eucalyptus in the shower for refreshing scent and respiratory relief

Eucalyptus soap that matches eucalyptus leaves

When I make soap I want it to be both functional and beautiful. It needs to have relevance in its color, ingredients, and end purpose. That’s why I decided to tint this soap to match the stunning grey-green of real eucalyptus leaves.

You can use Cambrian Blue Clay to get a similar shade but this time I used a mineral . Ultramarine blue, a nature-identical blue pigment, will ordinarily give you light-blue to cobalt-blue soap. When you use it in a recipe that’s high in extra virgin olive oil it will give you a greenish-blue. If you want to replicate this recipe to the T then keep an eye on what type of olive oil you’re using. If it’s pomace olive oil or ‘light’ olive oil then your shade won’t be the same.

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Learn more about naturally coloring soap here.

DIY Instructions for this natural eucalyptus soap recipe. Eucalyptus essential oil opens airways making this a great soap for the cold and flu season #soapmaking #soaprecipe #coldsandflu
The color of this soap comes from a mineral paired with the natural color of the soap
DIY Instructions for this natural eucalyptus soap recipe. Eucalyptus essential oil opens airways making this a great soap for the cold and flu season #soapmaking #soaprecipe #coldsandflu

Herbal Eucalyptus Soap Recipe

Lovely Greens
Simple eucalyptus soap for decongesting and opening airways. A soothing herbal soap for keeping you feeling better during cold and flu season. Makes five to six bars. Technical information: 1lb / 454g batch — 6% superfat — 35.7% lye solution

5 from 7 votes
Prep Time 30 mins
Cook Time 30 mins
Curing time 35 d
Total Time 35 d 1 hr
Servings 6 bars

Ingredients
  

Lye water

Solid oils

Liquid oils

Add after Trace

Instructions
 

  • Soap making is fun and creative but it's also chemistry. Make sure your work space is set up with your pre-measured ingredients and that you're wearing appropriate clothing, footwear, and safety gear. Always wear googles and rubber gloves when handling lye or the soap batter.
  • Mix the optional colorant, Ultramarine blue, in a Tablespoon of the liquid oil. A mini milk frother is a great way to blend it together.
  • Dissolve the lye (Sodium hydroxide) crystals in the water. In an airy place pour the lye crystals into the water and stir well. I prefer doing this step outdoors when possible because of the steam that will come off it initially. It's not pleasant if you accidentally breathe it in so avoid this by holding the jug well away from you.
    How to make honey and beeswax soap. Includes tips on creating both a light colored and warm brown tinted batch of soap #soapmaking #soap #honeyrecipe
  • When fully mixed, leave the lye-solution in a safe place outside or inside, but in a shallow basin of water, or sink, to cool. Ensure that children and animals cannot get into it.
  • Melt the solid oils in a stainless steel pan on very low heat. When melted, remove from the heat and set on a pot holder. Pour in the liquid oils and stir. Pour the colored oil into the pan too but do it through a small sieve — it will catch any chunks of color.
  • Measure the temperatures of the lye-water and the oils. You should aim to cool them both to be about 100°F / 38°C. You don't need to be on the dot but aim to have them at that temperature or slightly cooler. The oils and the lye solution should be within ten degrees of one of another.
  • Put your gloves and googles back on if you've taken them off. Pour the lye-solution through a sieve and into the pan of oils. Dip your immersion blender into the pan and with it turned off, stir the mixture. Next, bring it to the center of the pan and with both your hands, hold it on the bottom of the pan and blitz it for just a couple seconds. Turn it off and stir the soap batter, using the blender as a spoon. Repeat until the mixture thickens up to 'Trace'. This is when the batter leaves distinguishable trails on the surface. The consistency will be like thin custard at first but it will thicken quickly so make sure to work quickly after this point.
  • Add the essential oil at this point and gently stir it in. Eucalyptus is a strong scent and the amount I've included in this recipe is also quite strong. If you'd like a lighter scent, use just 1.5 to 2 teaspoons.
  • Stir in the optional dried eucalyptus or herb leaves. Most herbs will do for this recipe and they won't add scent, just visual interest. Use dried peppermint, oregano, parsley, or basil or you can use eucalyptus too. Aim to use Eucalyptus Globulus leaves if you can — did you know that there are 700 species of eucalyptus?
  • Pour the soap into your chosen mold(s) on a heat-proof surface. Leave the soap in the mold for at least two days. A week might be even better since this is quite a soft soap initially. Soap recipes that are high in extra virgin olive oil tend to start off soft and turn very hard over the curing phase.
  • Next, pop out your bars and cure them for six weeks. Curing means leaving the bars spaced out on a protected surface out of direct sunlight and in an airy place. This allows the extra water content to fully evaporate out. It also allows the bars to harden up.
  • Once made, your soap will have a shelf-life of up to two years. Check the oil bottles that you’re using though — the closest best-by date is the best-by date of your soap.
Keyword essential oil, eucalyptus, soap, soap recipe
Tried this recipe?Let us know how it was!
DIY Instructions for this natural eucalyptus soap recipe. Eucalyptus essential oil opens airways making this a great soap for the cold and flu season #soapmaking #soaprecipe #coldsandflu
Simple herbal eucalyptus soap recipe — pin this idea on Pinterest

24 Comments

  1. 5 stars
    I used a essential oil blend calculator and made a blend using 70% of one 20 % another and 10% the last – ( it said I was safe) when I add up the 3% usage rate for each oil the calculator showed when I add them all up it equals just under 12 grams of essential oils for your eucalyptus recipe – sorry to bug you again I just want to see it I’m getting this right – I think it’s all starting to click. My problem is I know the ingredients I want but need to understand the math on the essential oils !

    1. Hi Nina, different essential oils have different weights. For example, 1 teaspoon of eucalyptus essential oil weighs less than one teaspoon of sandalwood essential oil. I don’t know which essential oils you’re using in your blend, but it’s likely that some are lighter than others. Make sense?

  2. 5 stars
    If I want to add two more essential oils to this would I still keep the total amount to 14 grams ? I am trying to figure out how to do the calculator to make a blend for this kind of recipe :)

    1. Hi Nina, and yes you can, but usage rates for each individual essential oil can be different. Some you can use more of, and some you can only use a little bit. It’s all to do with the allergens present in eo’s and the safe levels that you can use in soap and skincare. Safe = not causing contact dermatitis, rashes, and irritation. There’s more on the amounts of essential oil that you can use in soap over here.

  3. A quick question about the measurements for this recipe. It say this is a 1lb/454g recipe, but the sum of the ingredients is approx 654g. (Pigment isn’t listed by weight, estimated at 10g). Am I missing something with the math? Or is 454g the total yield after chemical reactions and curing? Thanks for any help!

  4. 5 stars
    Hi Tanya
    I made your recipe today. I used cambrian clay as I do not have ultramarine blue pigment. I used cold chamomile tea as my water and dried mint leaves. Hopefully, it will turn out okay, I will keep you updated.
    Thank you for all your recipes. I am a beginner at soap making.

  5. 5 stars
    This was such an amazing soap to make – i am trying some of Tanya’s soap recipes for a change and so far – this is the first – it was so easy – I think I have gotten a bit bored?? over complicated?? with my soaps so I am trying smaller batches and so far cant wait to make another of Tanya’s recipes

  6. I was really hoping you’d have posted your liquid ingredients in volume measurements oppose to weight measurements.

    1. Good soap recipes are never given in volume measurements as they are inaccurate. Remember that making soap from scratch isn’t a food recipe, it’s chemistry. Everything needs measuring down to the gram.

  7. 5 stars
    Hello,
    Always best to stir the water/lye Under the stove vent, then outdoors.
    If you were to trip carrying the mixture it could burn you..
    under the vent is SO much safer..

    1. Thanks for your comment Lisa but this is your personal method, rather than a rule. You can mix the lye outside, and even leave the lye to cool outside in a safe place if you wish. You can also mix it under a hood if you wish, although many extractor fans don’t connect to the outdoors (including mine) so that needs taking into consideration. There is usually always walking involved with the lye solution, whether it’s from one counter to the next or from the sink to a table. Being careful is important and there’s always a chance of tripping if you aren’t.

  8. 5 stars
    Hi, Today I will be making my first soap batch using your recipe. I’ve chosen this one because I love the colour plus we have a eucaluptus tree growing in our Australian garden. I also bought the blue pigment for this recipe so cannot wait to try it. I think this can become a very addictive hobby :-) Thanks again, I love all your posts.

  9. 5 stars
    Hi Tanya, I haven’t tried any of your recipes yet, but they look so easy. The colour of this soap is what drew me in plus I have eucalyptus oil in the house. I have all my soap making supplies ready and waiting. Is soap making really this easy? I’ve been too nervous to try. This soap looks amazing.

    1. Soap making isn’t easy per ce, but it’s not difficult. Also, most if not all of the recipes I share are beginner to intermediate level and I cut out steps like adding the superfat as an additional part of the process. I have a couple of videos showing how to make soap if you’d like to have a watch first. Find them over on my YouTube channel: https://www.youtube.com/lovelygreens

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