Lemon vanilla bath bombs combine uplifting and comforting scents for a delightful fizzy bath experience. I love to make my own bath bombs for myself and to give as homemade gifts. Read on for full directions and the Lemon Vanilla Bath Bomb recipe. This basic recipe for homemade bath bombs uses common household ingredients like baking soda, corn starch, citric acid, coconut oil and Epsom salts. It is the baking soda and citric acid that ...