Specially formulated for spa and bath use. These all natural blends of sensual aromas are spa-safe and oil-free, so they will not affect your hot tub’s pH balance or leave any oily residue behind. Available in a variety of pleasing scents, these 17 oz. bottles will last you much longer than a bottle of liquid spa scents. So pick your favorite scents and enjoy a total relaxing experience the next time you go for a soak !