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Layered Lavender Soap

This soap has three layers, in various shades of purple.  The top layer is a pale lavender, the middle layer a slightly darker shade of purple and the bottom layer a darker shade of purple again.  It is filled with lovely lavender buds and has a generous topping of buds on top. This batch makes 1kg of soap in a log mould.  Adjust quantities, depending on the size of your mould.


300gm palm oil

200gm coconut oil

100gm olive oil

100gm macadamia nut oil

93gm caustic soda

210gm purified water

25mL lavender essential oil

10gm ultramarine violet

30gm lavender buds

  1. Firstly, pop your gloves and eye protection on, head outside with a bowl, the purified water, caustic soda and a spoon.  Pour the water into the bowl and then add the Sodium Hydroxide (ALWAYS add the Caustic to the water and NEVER the water to the Caustic). One pearl of caustic soda is all you need to burn your skin, so it is vital to be cautious and wear protection.
  2. The mixture will be very HOT.  Stir until dissolved and keep away from your face so as to avoid inhaling fumes.  Allow mixture to cool (the fumes will have disappeared when it cools)
  3. Now, back into the kitchen where you can mix the base oils (but not the essential oil) until they reach about 40 deg C.
  4. When the caustic water is approximately the same temperature (just dip a thermometer in each mixture), pour the lye water into the pot of oils.
  5. Now, get mixing with a stick blender! You are aiming for nice creamy consistency, but not thick and lumpy.  When the soap gets to this point, it is called trace.  You are aiming for a thin trace.  It is often a good idea to keep a spoon handy so you can give it a mix in between your mixing with the stick blender.  You should aim for 15-20 second zaps with the stick blender and then a few stirs with the spoon and so forth.
  6. Keep stirring and add 10gm of your lavender buds.  Now separate the mixture into three equal portions. 
  7. Mix 1gm of ultramarine violet in one portion, 3gm of colour in the second portion and the remainder in the third portion of soap mixture.  You will now have three portions of mixture, each a different shade of purple. You will need to give each bowl a zap with the stick blender to ensure the colour blends  properly. Start with the lightest shade first and work up to the darkest.  Make sure your darkest soap is a little thicker (but not too thick) then the other two as you are about to pour.
  8. Add your essential oil at this point to each of the mixtures and give it a quick mix with the stick blender.
  9. Pour your darkest mixture first and leave for 5 minutes or until it is quite firm.  Then pour your second darkest mixture and leave for 5 minutes, or again, until it is firm.  Finally pour your last mixture.  Once finished, top with the remaining 20gm lavender buds.

    Insulate your soap by wrapping it with a towel nice and tightly so there is no air creeping in.  Leave for 24 hours and then unmould and cut into slices.  Soap bars should be left to cure for a month before being used.

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