Source: Martha Stewart Living, June 1999

Introduction

Go ahead -- wash your hands with these pastel ice cubes. They're actually soaps made using a plastic ice cube tray as a mold.

materials

  • Blocks of glycerin

  • Liquid food coloring

  • Petroleum jelly

  • Cotton swabs

  • Microwavable container

steps

  1. Experiment with ice-cube trays of various shapes and sizes. Glycerin is usually sold in large blocks; to melt it, cut it to a size that will fit in a microwavable bowl or measuring cup.

    gt070_soapcubes1_s.jpg
  2. Smear a dab of liquid food coloring into the bowl or measuring cup with a cotton swab or coffee stirrer. Food coloring is very concentrated, so only use a dab; try mixing different colors.

  3. Heat the glycerin in a microwave on high, stirring at 15-second intervals, until it's completely melted.

  4. Use a cotton swab to coat the inside of the ice-cube tray with petroleum jelly. Pour the melted glycerin into the tray, filling each section almost to the top.

  5. Cool for about 2 hours; the soap cubes will pop right out. Like cubes of ice, they'll also melt -- getting gradually smaller as each pair of hands is washed.

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