First Use: When using the razor for the first time, be extremely careful, as the blades are very sharp and can easily scratch. Use shaving foam to moisten your beard. Rough facial areas, such as bumpy skin, can bleed easily. Shaving foam helps create a smooth surface, allowing the razor to glide more smoothly. Apply gentle pressure to the razor handle; avoid applying excessive pressure, which can scratch irregular muscle areas (such as bumpy skin) and cause bleeding. Second and subsequent uses: Since the blades will lose some of their sharpness (not as sharp as the first time), simply moisten your beard with water. Product Benefits: The blades stay sharp for up to six months, far exceeding the lifespan of similar products. It contains five precisely formed, high-quality, platinum-coated stainless steel double-edge razor blades. Maintenance Tips: Rinse immediately with clean water after each use. Sweat contains salt, which can corrode the blades and cause rust. Avoid contact with rusty metal objects, as this may cause rust. Rinse with clean water immediately after each use. Sweat contains salt, which can easily corrode the blade. Avoid mixing with other metal objects. This blade is very sharp, much sharper than a regular blade. If you're shaving with this blade for the first time, it's important to wet your beard with shaving foam, as facial muscles will have prominently raised areas. The blade can easily cut and smooth and smooth these raised areas, which can lead to bleeding after smoothing out these raised areas. However, the use of foam helps to create a smooth surface. If you are using this blade for the first time, you should also press the shaver handle gently to avoid applying too much force, as the blade can easily scratch the muscles in irregular protruding areas and cause bleeding. These blades are mainly designed for coarse facial hair and will not be as sharp as the first time when used a second time. You can simply wet your beard with water. This is a stainless steel blade. It contains three precisely shaped high-quality platinum-coated stainless steel double-edged razor blades. The pinnacle of over a century's worth of innovation and expertise, and the only range that bears the name of our company's founder: This safety razor for men is an iconic design inspired by our heritage, for edging with ultimate precision, classic function and style. A single Platinum coated double edged safety razor blade shapes with precise accuracy, ideal for edging sideburns and strong beard lines to help you achieve your perfect look. Our closed comb head design, perfected a century ago, allows for great control, while the high-quality chrome plated handle ensures long-lasting durability. Includes 10 Platinum coated stainless steel double edged razor blades for a precision finish and lasting durability. How to insert a new blade: first, hold the razor upside down, unscrew the handle and lift off the blade guard and old blade. Second, place a new blade on to the cap using the central screw and two location posts to keep the blade straight. Lastly, replace the guard and reattach the handle by turning clockwise until fully tightened.