When done just add Crystal Jelly Step 2 into the foot bath to dilute the jelly. That Simple. Simply add Crystal Jelly into warm water and it will transforms into translucent jelly right away. Soak, exfoliate and massage in a tub full of jelly for the most unforgetttable spa experience. Crystal Jelly Spa can help you remove toxins, stimulate blood circulation, moisturizes and softens dry cracked skin.