Holiday Bath Bombs

1 cup baking soda
1/2 cup citric acid
1/2 cup epsom salt
1/2 cup cornstarch
coloring pigment optional
2 1/2 tablespoons coconut oil melted ( or olive for skin smoothing)
3/4 tablespoon water
15 drops essential oil
Peppermint – to be festive
Eucalyptus – to help clear the sinus and boost the immune system
Cinnamon – Festive and Fun