This cold process herbal soap recipe features an infusion of yarrow – an herb that’s excellent at calming irritated and itchy skin.
It’s naturally colored with French green clay, palm free, and vegan!
Related: Not sure how to identify yarrow? This article at my family site, Unruly Gardening, should help!
Yarrow Herbal Infusion
Before we can make the soap, we need to infuse some olive oil with dried yarrow.
To make yarrow infused oil:
- Fill a canning jar 1/2 to 3/4 of the way with chopped dried yarrow.
- Add olive oil almost to the top, leaving a little room for expansion.
- Cover with a lid.
- Infuse in a dark cabinet for at least 4 to 6 weeks, shaking occasionally.
- Strain out the amount needed for your soap recipe.
- If you’d like, top the jar up with more oil and infuse for 4+ weeks longer.
- Strain the fully infused oil into a new jar.
- Store the oil in a dark cool spot for about 1 year.
LEARN TO USE HERBS & FLOWERS IN SOAP
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- Discover 21 of the top herbs and flowers for making handmade natural soap
- How to make nourshing oil and tea infusions
- Benefits & final color that each herb gives soap
What parts of yarrow should you use?
You can use flowers, stem, and leaves to make a yarrow oil infusion. I usually cut some of the flowering tops and then throw in a few leaves. (Leave behind more flowers than you pick, so they’ll reseed.)
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Yarrow Soap Recipe
Oil, water, and lye should all be weighed with an accurate scale. Don’t use measuring cups to make soap!
If you’ve never made soap before, please read my Soapmaking 101 article and study up on the subject first. You may also find my Handmade Natural Soaps eBook Collection and/or Course helpful.
- 1.94 oz (55 g) sodium hydroxide (lye) (5% superfat)
- 4.08 oz (116 g) distilled water (2.1 to 1; water:lye ratio) – or you could use cold yarrow tea
- 1 tsp French green clay (added when lye solution is hot) – for natural color
- 1 tsp sodium lactate (added when lye solution has cooled) – optional, for hardening the soap
Oils & Butters
- 5 oz (142 g) yarrow infused olive oil (36%)
- 3 oz (85 g) coconut oil (22%)
- 2 oz (57 g) sweet almond oil (14%)
- 2 oz (57 g) cocoa butter (14%)
- 1 oz (28 g) castor oil (7%)
- 1 oz (28 g) hemp oil (7%)
- Optional essential oils: I like a blend of cedarwood and lavender, but feel free to change it up or leave unscented. Below are the usage rate choices for cedarwood and lavender according to EO Calc. Choosing 5% will give you the strongest scent, while choosing 1% will give a very light scent.