Add 1 teaspoon cinnamon or coconut oil or olive oil, apply evenly on towel-dried hair and cover with a plastic or a foil hat. Leave it for an hour, then rinse thoroughly with water. It might not work after the first time but the site promises a nice result after a couple of sessions.
Just add half a glass of strong alcohol in your home-made masks. You can add wine, vodka, cognac etc.