InSPAration Mangosteen and Goji Aromatherapy Crystals is a soothing blend of tropical fruits that will enhance any spa, allowing your worries to drift away on the current. Its unique formula contains moisturizers to virtually eliminate dry skin no matter how long you spend in your spa or hot tub, instead leaving bathers with silky smooth skin. Best of all, Mangosteen and Goji Aromatherapy Crystals is safe for use with all tub surfaces and will not cause foam buildup, making it a great choice for any spa or hot tub owner.