This bath and body tutorial is for making your own DIY bath bombs. This Bath bomb recipe is for Orange and Thyme. You can see the full bath and body recipe below. They are so easy to make and are perfect for gift giving.
1 cup baking soda
1/2 cup cornstarch
4 tablespoons oil (coconut, olive, pumpkin)
2 teaspoons orange zest
2 sprigs of thyme
In a bowl, add in corn starch, citric acid, and baking soda stir well. 
Add in olive oil (or other oils) and stir with a fork to keep light and fluffy. Add in fragrance and zest stir well.
Using the mold add in thyme and packet both sides of mold then press together. Once you press together, leave in mold for about a minute then remove and place on a tray to dry (harden) overnight.
The possibilities are endless with different molds, colors, and fragrances. Let your imagination guide you!
In the UK this recipe may well be illegal. We need to have twice the quanitiy in weight of baking soda/ filler for example you use cornstarch) to citric acid in roder to obtain complete equiland acid base neutralisation of the acid/base. Also cornstarch recipes cause fungal problems in some individual so personallyu I would avoid using this in any bath remedy.