A Slice of Orange Soap

Recipe (Cold Process Soap)
Olive oil - 30%
Coconut oil - 25%
Shea butter - 20%
Canola oil - 15%
Castor oil - 10%
Orange oxide ~1/2 tsp dissolved in 1 tbsp. water (based on making 2-2.5lbs of soap)
Sweet orange essential oil - 1 oz (or more or less depending on your preference)
Optional: ~1 tbsp bentonite clay dissolved in water
4-5 bars of already made orange soap, coloured with red iron oxide

1 soap loaf mold (~3.5 lb capacity).

You will need to make approximately 2-2.5 lbs of soap. Take the above percentages and plug them into a soap recipe calculator (here's the one I use) to figure out how much lye and water you will need.

Follow basic cold-process soap making guide.

Before pouring the soap into the mold, take your 4-5 pre-made bars, and place diagonally and evenly spaced out through the lined soap mold. Pour orange soap around the bars, shake the mold gently to make sure soap fills every crevice around bars. Once it has set for 24 hours, slice the loaf into individual bars. Each bar will have a unique stripe of red running through it.