Remington R4444 Shine Therapy Cartridge Remington Shine Therapy Hairdryer Refill Cartridge to be used with "Remington Shine Therapy Hairdryer. Gives about 40 uses per cartridge Two replacement cartridges for D4444 Remington Shine Therapy Hair Dryer Slots into the hair dryer to emit heat-activated shine-enhancing moisturising mist Moisturising mist includes avocado oil and is rich in vitamins A, D and E Disposable