Rubbing alcohol Rubbing alcohol is another inexpensive and easy deodorant that kills odor-causing bacteria. Simply fill a spray bottle with alcohol and spritz your underarms with it. You can even add a few drops of your favorite essential oil to give it a scent — witch hazel absorbs oil and is mildly astringent, and tea tree oil can help relieve body odor.
Diy deodorant - Equal parts coconut oil, baking soda and cornstarch. You can pour it into an old deodorant bottle, mold it into a bar and keep it in the fridge or leave it in a tupperware in the bedroom or bathroom and apply with your fingers Try it, you’ll love it I promise.