making deodorant

so because we live in a warm climate and summer is quickly approaching i decided to make some homemade deodorant. audrey wanted to help me because this is partly for her (and really why i wanted to make a healthy, safe choice).
we used cornstarch, baking soda, coconut oil, tea tree and peppermint essential oils.
i have to say i am pleased with the stuff. i tried it too and it worked decently. the only down-side is that you have to leave it in the fridge because it will liquefy.