A bath bomb for your shower.  This one is a blend of peppermint and eucalyptus oils to help with headaches while you shower.
 
Just put one on the floor of your shower so that the water can splash on it, (not directly).  The aroma will drift out for you to enjoy.
 
Ingredients:  Baking Soda, Citric Acid, Peppermint & Eucalptus Essential Oils, Cornstarch, Witch Hazel
 
NOTE:  The packaging may have changed but what's inside HAS NOT.