Katameru tempuru oil-hardening fomula

What do you do with the oil afterwards? You can easily harden, and throw away old used oil. So convenient!
This contains 18g x 10 sticks.
Directions; Dissolve 1stick in about 600ml oil. Turn off the heat, add the powder, and mix very well. You always have to use it in so hot oil. It will be hardened in about 1 hour.