Melt the soap medium according to the pack instructions.
Divide the soap medium up into different bowls, so you can make several colours.
Mix several different colours to make soft pastel shades. Start by dripping in one or two drops of soap dye and stir to combine. Add more soap dye gradually for a brighter colour.
Place a soap stamp at the base of the soap moulds; see the instructions below.
Start by adding dye to the soap moulds - you may only need a few drops. Then add the next colour and stir to swirl a pattern in your soap.
Once each soap has set, push it out of the mould.
Make your own marbled solid soaps! We used opaque soap medium, combining several colours to make pretty pastel soaps. To add a stamp to your solid soap, place soap stamps with the motif facing up at the base of the soap moulds. Apply some soap medium to the base of the stamp to secure it firmly inside the base of the mould. Once the soap medium as set, carefully remove the stamp from the soap. Wrap your home-made soaps in pretty soap paper and give them as gifts, or decorate your own bathroom with these trendy pastel soaps!