You will enjoyr lave shells massage hot or coldr r lava shell massage is a relaxing massage that uses heat like hot stone massage and la stone therapy during a lava shell massage the therapist uses real shells from the philippines to gently massage your bodyrr the heat comes from inside the lava shells due to a mixture of a minerals and algae with salt water and essential oils when they are combined inside the shell it creates a chemical reaction that causes heat for one or two hours