1 cup baking soda
1/2 cup citric acid
1/2 cup cornstarch
2 to 3 tablespoons water
20 to 30 drops essential oil
Silicone molds or a lined tray
Mix baking soda, citric acid, and cornstarch in a bowl
Add essential oil and mix well
Add water slowly, a little at a time, until the mixture holds together when pressed
Pack the mixture firmly into molds or shape into small discs
Let dry for 24 to 48 hours
Remove from molds
Store in an airtight container
Place one steamer on the shower floor away from direct water flow
Replace when fragrance fades