Spazazz Eucalyptus Mint Crystals invigorate and sooth with the refreshing scent of mint. Crystals set the mood, arouse emotion, and relax your state of mind. Simply add a few capfuls of crystal to your spa or bath to attain your desired aroma level. Spazazz products are spa safe, oil-free, and will not cause problems with plumbing or damage equipment. They can be used in any hydrotherapy environment as well as spas, hot tubs, Jacuzzi's, and whirlpool baths.