Foaming Bubbl Bath bomb dust is packaged so you can add just the right amount for your bath. Several fragrances to choose from included unscented for sensitive skin (they need bubbles too). 
 
Ingredients to live for: 
Baking Soda, Citric Acid, SLSa (won't make you itch, stay in the tub as long as you like), Kalolin Clay, Fragrance, and FD&C Colorant/Mica.