Combine the citric acid and baking soda in a mixing bowl stirring together to create a smooth consistency
Add melted shea butter and peppermint essential oil, then keep mixing.
Spray the mixture 2-3 times with the witch hazel then mix.
Slowly stir in more witch hazel, checking the mixture often until it holds it shape when you press it together.
Press the mixture into the mold, packing them as tightly as possible.
Allow the bombs to dry for 12 hours and remove them from the mold
Continue drying for 24 more hours for a nice solid bath bomb