1.) Gather all the instruments required. Gather all the foot powder products and tools like the microscope to help determine fungal infection that causes athlete 's foot or statistic tools to keep record of the effects of the foot powder brands in an athlete 's foot infected test subject.

2.) Make the foot powder. First, find a zippered plastic bag or container with a good seal. Then put 1/2 cup of corn starch, 1/4 baking soda and 1/4 baking powder into the container. Then(this is optional), add 5 drops of an essential oil like thyme and lavander. Finally, Shake all the contents together.

3.)Distribute the different foot powder products. Give each of the five test subjects one brand of foot powder including the homemade foot powder.