Cut away 4 chunks of the goat’s milk melt and pour soap base, and put them in the measuring cup.
In the microwave, heat the chunks for approximately 1 minute (or about 5 minutes in a double boiler).
Remove the glass measuring cup, and stir the soap base thoroughly. If you’re used to working with a clear glycerin soap, expect this type of melt and pour base to take longer to melt.
Repeat the previous step and melt the soap base mixture for another 30 seconds and stir again. If there are still solid or semi-solid chunks of the goat’s milk soap base, microwave the mixture for 30 seconds each (stirring in-between), until all parts of the base have melted entirely.In the photo below you can see how the goat’s milk soap base looks after being melted and stirred for 1.5 minutes. It took two more trips through the microwave to completely melt the soap base. NEVER just microwave the melt and pour soap base for two or more straight minutes - that will nearly always scorch the mixture. Place your molds on a level work surface so they are ready to pour the melted soap base into once all of the other ingredients are mixed in. I always place a baking sheet beneath silicone molds so I can transfer them into the refrigerator for quick curing without spilling or otherwise disturbing the poured soap before it is solid.
Stir in the brown sugar and combine completely.
Stir in the cinnamon, and combine thoroughly with the goat’s milk soap base and brown sugar.
If you dab a small amount of rubbing alcohol onto the soap molds they will become lightly coated - just as baking sheets do when coated with butter or Crisco. This can help stop bubbles from forming on the base of the mold, and help create a smooth surface on the top of the bar.
Give the brown sugar and cinnamon exfoliating soap mixture a final stir.
Pour the brown sugar cinnamon goat’s milk soap recipe into the molds.
Use a toothpick to pop any air bubbles that form on the surface of the soap bar.
Leave the now filled soap molds on the kitchen counter or other level spot to cure at room temperature for half an hour. Melt and cure soap bases typically cure in the refrigerator in approximately three hours.