What happens next?

How to dye your eyebrows with coffee
Combine the leftover coffee grounds and cocoa powder.
Add 2 tablespoons (21 g) of coffee grounds and 1 teaspoon (3 g) of cocoa powder to a small bowl. Mix the two ingredients well so they're fully combined.

*Be sure to use caffeinated coffee grounds. Caffeinated coffee usually offers a richer color, and the caffeine is also thought to stimulate hair growth so it may help if your brows are sparse or patchy..
*If you prefer a darker hue, substitute white coffee grounds for your coffee. Go for using brown or dark ground coffee to ensure that the coffee mix will produce the dye you desire..
*You can also use butter or margarine instead of coffee grounds. Dip the eyebrow pencil in the mixture..
*To get a " puffy " look, add only two tablespoons (30 ml) of cocoa powder and 1 tablespoon (15 ml) of baking soda to a small saucepan. Whisk the brewed coffee..
Be sure to use caffeinated coffee grounds. Caffeinated coffee usually offers a richer color, and the caffeine is also thought to stimulate hair growth so it may help if your brows are sparse or patchy.