This replacement foil head is compatible with the StyleCraft UNO shaver only. Specially designed for sensitive skin, the gold titanium foil glides over your skin for a super comfortable close shave. The ultra-thin gold foils have hypoallergenic properties that work well on any type of skin. The Slick foil design is perfect for shaving longer hairs on beards, mustaches, and sideburns. And, because the Uno shaver is cordless, you'll have no trouble maneuvering it and getting the necessary angles to achieve your desired style. These are easy to replace, just watch our video here or on our YouTube channel. Replacing your blades gives you a better, closer shave with less nicks and cuts to the skin. Easy to clean and disinfect. For best operation, clean your blades regularly or daily depending on usage by rinsing with warm water and slightly brushing with a small soft bristle brush to remove debris.