Gather your materials.
step 1
Place soap in glass cup and melt in microwave. Cook in 30 second intervals, lightly stirring in between, until smooth.
step 2
Finely chop thyme.
step 3
Zest grapefruit.
step 4
Mix in thyme and grapefruit zest until you get desired color and texture.
step 5
Coat soap mold with cooking spray and pour in your mixture. Let this stand for at least 1 hour and then place it in the freezer for another hour. Remove from mold and use within 3 months. Enjoy!