2. Place the mug into a cold oven. Set the oven to 450 F. Allow the mug to bake for 1 hour and cool completely inside the oven. 3. Paint the unicorn hair with the color changing nail polish.

Finally, you will want to follow the directions on the back of your paint for cure time. The paint I used said to let the mug air dry for four days and then cure the mug for 30 minutes at 325 ...

4) Let your mug sit in the oven for a couple hours after it's done baking. Presto! You have your own customized DIY monogrammed mug!