Easy Galaxy Swirl Cold Process Soap Recipe

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About: When I'm not up to my ears in metal filings, cotton and paint, I like binge watching Netflix, yoga, coffee and writing. I blog about making at FoxLovesCrow.com.

Intro: Easy Galaxy Swirl Cold Process Soap Recipe

The easy galaxy soap: A shimmering, swirling, moisturising bar with kaolin clay and oatmeal that is deceptively easy to make and sparkles subtly gold in the shower.

A superfat of 5%, and moisturising ingredients such as oatmeal, kaolin clay and sweet almond oil make for a gentle soap, kind to my sensitive skin.

The recipe makes about 3Ibs of soap. The perfect amount to fill up to two empty milk cartons if, like me, you don’t have a soap mould handy (mine is in storage while I travel)!

If you’ve never made cold process soap before, stop here. Please read up on the safety precautions you should take and get some basics under your belt. I recommend watching the Soap Queen TV beginner series on YouTube.

Read more of my tutorials at www.foxlovecrow.com.

Ingredients
Oils:

  • 326g tallow (beef)
  • 272g coconut oil
  • 204g shea butter
  • 204g rice bran oil
  • 204g sweet almond oil
  • 136g caster oil
  • 14g beeswax (adds hardness to the bar so it lasts longer)

Water/lye/fragrance:

  • 517g distilled water
  • 187g sodium hydroxide
  • 42g lavender essential oil

Colours:

  • White: Kaolin clay – 1 teaspoon per pound of soap
  • Purple: Grape mica pigmentGold/black:
  • Antique gold mica pigment

Exfoliant:

  • Handful or so of ground oatmeal
  • Coarse pink himalayan rock salt to decorate

Step 1: Sorting Soap Moulds

My beautiful wooden soap mould is in storage while I'm overseas, so I cut the end off a juice and a milk carton, washed them out and stood them on their ends in cardboard boxes for support. This is a simple, cheap mould and, the best thing is, there’s no need to battle with / line them with greaseproof paper. Yay.

Step 2: Colour Prep

I dispersed the mica colourants into few teaspoons of sweet almond oil and the clay into a little water. Plastic cups were on hand and the perfect size for this job.

Ideally, I would have had a mico blender/coffee frother to get them mixed evenly. But, in the spirit of make-do, I diligently mixed them with a metal spoon. It was fine.

Step 3: Lye to Water

Luckily my apartment is well ventilated and usually pet/child/irresponsible-adult-free, and handily, I already had safety gloves and glasses with me from using the resin 3D printer. Time to ‘suit’ up.

Protection in place, I measured the lye (sodium hydroxide) and water, adding the lye to the water and allowing it to cool.

NB: I read that if you don’t have distilled water, tap is probably fine. You may just need to scrap off any scrum that appears on top of your lye/water mixture.

Step 4: Combine the Oils

Beeswax felt like it took an age to melt. It needs to be at about 63-64°C, so I did this in a separate double boiler.

Then, I melted the hard oils (coconut, tallow, shea butter) and combined them with the soft oils (almond oil, rice bran, caster), aiming for a temperature of about 49-54°C.

Eventually, the lye/water mix and oils reached that sweet spot of within 10°C of each other. Finally (patience!), I added the lye/water mix to a big bowl of all the melted oils + beeswax.

Step 5: Blending and Colouring

Using my dedicated soap blender, I reached light trace and separated the soap batter into three portions ready to add the colours – exciting times.

  • In one, I added the clay/water mix – about 1 teaspoon did it – and a portion of the essential oil. I also added some coarsely ground oatmeal for an exfoliant.
  • In the second, I added about a teaspoon or so of the purple mica/sweet almond oil mix until I reached the intensity of colour I wanted. I then added the second portion of essential oil.
  • In the third, I added the antique gold mica/sweet almond oil mix and the final potion of essential oil. Note, the gold doesn’t look gold once it’s added – it looks black but gives a very pretty, but subtle, gold shimmer.

I then (rather messily) blended each separate portion of soap, working from light colour to darkest to distribute the colourant and thicken the trace.

Step 6: Pouring

I love the ‘in the pot’ swirl method – it’s easy and the resulting swirls are organic looking and it produces a marble-like effect!

To do this, I poured the white soap batter into a large bowl, then poured in the purple mix into four separate points. I did the same with the gold, then took a long spoon to drag between the points once or twice.

After that, I simply poured the mix into my makeshift moulds, finishing by adding some coarse pink himalayan rock salt to the ends for decoration.

Step 7: Cutting and Curing

I cut this soap after after around 24-48 hours, tearing away the milk cartons, and then leaving the bars to cure for about six weeks until they were ready to use.

NB: The milk cartons don’t give crisp square edges, so I neatened up the edges and turned the off-cuts into soap balls.

And voila! Enjoy the gentle exfoliation of the oatmeal and how the gold mica gives a subtle shimmer when it's wet (last pic is of a wet bar that's been used for a few weeks).

Let me know what you think and visit www.foxlovecrow.com for more maker-stuff.

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    3 Discussions

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    attosa

    2 months ago

    Well, that's just gorgeous :)

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    Fox Loves Crow

    2 months ago

    Thank you! Just a firm hand is all that is needed to create the soap balls and make sure you do it on the day you cut the soap (24-48 hours after making) so that the batter is still soft enough. Mine were soft enough that I managed to roll them in some pink salt for decoration - not all of it stuck but a fair amount did!

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    Penolopy Bulnick

    2 months ago

    This is great! I'm glad your soap mold was in storage so you could show a cheap and easy alternative :) Also, you said you made the cutoffs into the balls, were they easy to roll or did you have to warm them up to roll them?