Lavender Bath salts Lavender aroma bath salts is well known for its relaxing smell. Lavender aroma bath salts commonly used in to calm our mind and soothe once skin. Lavender aroma bath salts range from white to a deep shade of pink. If you have sore muscles, are having trouble sleeping, or simply need to relax, this lavender aromatherapy bath salt recipe is just the thing for you.