Tools and raw materials: a bowl and a spoon each, the right amount of expired chocolate, sea salt, brown sugar and milk each appropriate amount
Steps:
1. Dissolve the expired chocolate in a small pot.
2. Take out the prepared bowl, put in a tablespoon of sea salt and a tablespoon of brown sugar, and pour in the milk, about up to 2/3 of the bowl.
3. Pour the melted chocolate from the first step into the bowl and stir well.
4. Once it has cooled down, apply it gently to your face and leave it on for about 10 minutes.
5. Finally, just wipe off the mask with cotton or a towel dipped in warm water.