Seaweed Soap Recipe

Materials

Total oil weight : 1000g
Water as percent of oil weight : 27.07%
Super Fat/Discount : 7%
Lye Concentration : 33%
Water : Lye Ratio – 2.0303:1

Water : 270g
Lye NaOH : 133g

Oils and fats

  • Olive Oil : 350g
  • Apricot Kernal Oil : 200g
  • Mango Seed Butter : 150g
  • Coconut Oil : 150g
  • Cocoa Butter : 100g
  • Castor Oil : 50g

Essential Oil Blend

  • Grapefruit White EO / Citrus Racemosa :15g
  • Lime Distilled EO / Citrus Aurantifolia : 10g
  • Rosemary Spanish EO / Rosmarinus Officinalis : 5g

Colourants

  • Seaweed Powder / Ascophyllum nodosum : 10g
  • French Green Clay 10g

SAFETY FIRST: Suit up for safe handling practices! That means goggles, gloves and long sleeves. Always soap in a well-ventilated area.

Method

  • Disperse the Seaweed Powder into the Oils once melted but before adding the Lye. Stir until there are no chunks.
  • Slowly add the lye water to the oils and stick blend until thin trace.
  • Add the Essential Oil blend, and whisk until completely blended in.
  • Use a spoon or spatula to add the soap batter to the mould. Tap the mould firmly on the counter to help get rid of bubbles. Use a spatula to spread it equally on the top. Then, use the spoon to create texture. Have Fun!
  • Lastly sprinkle the Botanicals over the top. With Any botanicals I don’t cover the top of the Soap whist it Saponifies, this can cause the Botanicals to burn and brown.
  • Allow the soap to stay in the mould for about 16-24hr or until its firm enough to remove from the mould.
  • Unmould and cut into bars. Allow to cure for 4-6 weeks.

For full tutorial please watch the making of Seaweed Soap on our YouTube channel


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I’m Clare

a soap maker and founder who began making soap in 2018 and went on to build Bold Natural Soap a natural skincare business from the ground up. The Soap Makers Hub is where I share practical knowledge from real-world experience. From formulating natural skincare to building and scaling your business.

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