Handcrafted Soap~7 2012-02-13 02:36－貓咪走路經典手工香皂的部落格

12. Colour Layering

Colouring Agent should be added AFTER the No Separation stage. All Essential Oil/s and SuperFatting Oil/s should be added BEFORE adding the Colouring Agent. Once the Soap Mixture is ready, split equally into 3 separate Measuring Jugs. Add Colouring Agent to each Jug to achieve the desired shade and line them in the layering order. Choose an Artificial Scent that will expedite the Saponification process and add it to the Colour-ready Soap Mixture and mould quickly. After the First Layer, pour the subsequent layers from the side of the Measuring Jug and over the flat surface of the scraper to avoid messing up the surface of each layer.

It is also possible to have a SuperFatting Oil that also works as a Colouring Agent (refer to三色香橙精油皂recipe).

Formula for Colour Layering Soap should include at least 10% of Castor Oil to ensure each layer will “stick” to each other. Using the Lavender Soap (薰衣草精油香皂) as an example, change the formula as follows:

Original Recipe		Updated Recipe
Olive Oil (Comfrey)	50%	Olive Oil (Comfrey)	50%
Coconut Oil	25%	Coconut Oil	20%
Palm Oil	25%	Palm Oil	20%
		Castor Oil	10%

Some ingredients that can act as natural Colouring Agents:

Carrot Oil	Orange	Add as SuperFatting Oil directly to the Soap Mixture when ready
Cocoa Powder	Brown	Add power directly to the Soap Mixture when ready
Ashitaba (Angelica Keiskei) 明日葉	Green	Add power directly to the Soap Mixture when ready
Red Palm Oil	Pink	Use a combination of Plain Olive Oil and Coloured Olive Oil to achieve Colour combination
Olive Oil pre-soaked with Comfrey 紫草	Blue
Mineral Soil Colouring Powder	Various	Dissolve Powder in lukewarm Water (1gm of Powder to 1cc of Water) before use