From the page: Used coffee grounds: far beyond the cup
Idea 3
Artisanal exfoliating soap
Artisanal soaps with coffee are a legacy of countryside kitchens, where hands smelling of onion and fish were washed with grounds mixed into soap. The secret lies in the texture: coffee's irregular particles act as micro-exfoliants that lift away dirt mechanically, while the caffeine and the bean's natural oils help soften the skin.
What you need
- 1 cup of dried coffee grounds (spread out to dry for a day)
- 200 g of neutral glycerin base (or grated coconut soap)
- Silicone molds or small tart molds
- A pot for a double boiler
- Wooden spoon
How to make it
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1
Spread the grounds on a cloth or plate and let them dry thoroughly for a day — wet grounds mold and ruin the soap.
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2
Melt the glycerin base in a double boiler, stirring slowly to avoid creating air bubbles.
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3
Mix in the dried grounds off the heat, at a ratio of one part grounds to three of melted soap — any more dries out the skin.
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4
Pour into the molds while still warm and tap the mold lightly on the table to settle the mixture.
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5
Let it harden for 3 to 4 hours in a dry place and unmold carefully.
Finishing touches
Store the soaps in wax paper or a ventilated box — in a very humid bathroom they soften. A pinch of cinnamon in the mix gives a warm aroma and a light golden tone.
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