Sirona 4-Blade Cartridge Razor Is Designed To Ensure You Get A Clean And Efficient Shave Every Time. Its Replaceable Cartridge Helps You To Simply Replace The Blades When They Wear Out. 4 Stainless Steel Blades Ensure A Precise Shave. Pivoting Head Comfortably And Safely Removes Hair From All Contours Of The Body. Aloe Vera & Vitamin E Lubrication Strip Moisturises The Skin As You Shave.