Materials
I put most of the supplies in a shopping list here.
Clear soap base
Opaque soap base
Soap dyes – I used these and these
Powder eyeshadows, or mica pigments (optional, though I loved the colors they added) – Try here or here
Tools
Small cups, or silicone muffin tins
Large plastic cups
Paring knife
Microwave
Scissors
Stirring sticks or utensils
Freezer
Kitchen scale (optional)
Glass measuring cups (optional)