Slowly and carefully add the lye to the water and gently stir until the lye has fully dissolved and the liquid is clear. Set aside to cool. If you’d like a harder bar of soap that releases faster from the mold, you can add sodium lactate to the cooled lye water. Use 1 teaspoon of sodium lactate per pound of oils in the recipe. For this recipe, you’d add 3.5 teaspoons sodium lactate.
Melt and combine the coconut oil, apricot kernel oil, olive oil, and palm oil (remember to fully melt then mix your entire container of palm oil before portioning). Once the lye water and the oils have cooled to 130 degrees or below (and are ideally within 10 degrees of each other), add the lye water to the oils and stick blend until a very thin trace.
Be careful to not over emulsify the batter. The soap batter should be very thin. You can always stick blend more later. Split the batch into five containers. Three of the containers should contain 400 mL, one should contain 600 mL, and the last should contain 300 mL.
Add the dispersed colorants to the five containers in the following amounts. To work as quickly as possible, we added the colorants directly into the containers first. Use a whisk to fully mix in the colorants.Container A (400 mL): All dispersed Radiant Plum ColorantContainer B (400 mL): 2 tsp. dispersed Lavender MicaContainer C (400 mL): 2 1/2 tsp. dispersed Queen’s Purple MicaContainer D (600 mL): 2 tsp. dispersed titanium dioxide + 1/2 tsp. dispersed Lavender MicaContainer E (300 mL): 1 tsp. dispersed Queen’s Purple Mica + 1/8 tsp. dispersed Black Oxide Add the fragrance oil blend proportionally between the containers (it’s okay to eyeball it). Use a whisk to thoroughly mix in the fragrance oil. The batter should still be very thin.
Now it’s time to pour. We like to place the mold on a Lazy Susan to help spin the soap. The order in which you pour the colors into the mold is up to you. For this soap, we did not stick to the same color order throughout. We just poured the colors into the mold depending on what looked good. With each pour, keep in mind there is less dark purple soap and more white than the other colors. Pouring the white more frequently between the purple shades gives nice contrast. Pour a shade of purple soap into one corner of the mold. Count to three during the pour to help pour an even amount. Pour a different color in the opposite corner of the mold, counting to three to help pour evenly. Start pouring various colors into both corners of the mold. As you layer the colors, the soap is pushed toward the center of the mold. Work as quickly as possible during this process, as the soap will continue to thicken up with time. Every now and then, give the colors a whisk to help keep them fluid.
Once the colors meet in the center, begin pouring soap into the empty corners of the mold. Every now and then, give the mold a little shake to disperse the soap. Working quickly, continue to pour the soap in the mold until it’s gone.
Give the mold a few firm taps on the counter to help eliminate air bubbles and to help the layers of soap settle. Begin to spin the Lazy Susan, stopping it quickly to help give the soap movement. You want the centrifugal force created by the spin and stop movement to move the soap in various directions within the mold. Be careful not to spin too hard, or the soap may spill out of the mold.
Continue swirling until you’re happy with the pattern. Be careful to not over-swirl the soap, or the colors will muddle together.
Once you’re happy with the swirl, place the divider set into the mold until it reaches the bottom. Begin placing the melt and pour pieces into the corner of each bar. Use your fingers to gently press the embeds into the soap to help them stick.
Continue adding the melt and pour pieces to each cavity. Once you’re done, spray the soap with 99% isopropyl alcohol to help prevent soda ash. The melt and pour embeds can melt if they become too hot, so store this soap in a cool place. Allow them to sit in the dividers for at least 3 days. Because this is a soft recipe and the soap was poured at a thin trace, it may take a little longer to unmold. But, the water discount helps speed up the process. After 3 days, check to see if the silicone mold pulls away easily from the soap. If it does, remove the soap from the silicone mold. If it doesn’t, give the soap another day or two to harden. Gently remove the soap from the dividers. To prevent tearing, do not pull the dividers. Push the soap down, or slide the dividers up or down to remove the soap without tearing. Allow the soap to cure for 4-6 weeks, and enjoy!