In a medium bowl, add Epsom salt, kosher salt and baking soda.
Mix with fork or whisk.
Add 20 drops of essential oils.
Mix again.
Use a funnel to pour into small glass bottles.
Add several tablespoons to your bath water and swirl.
Notes
Take care when using Peppermint essential oils in bath products. Your lady parts contain sensitive skin that might be irritated by the tingle peppermint oil can sometimes cause. I tried out this recipe and didn't have any issues. Just something to keep in mind!