Questions & Answers Not work after blade installed If you find that your safety razor is not able to remove hair properly after installing the blades, it is usually because there was some error in the blade installation. The safety razor head consists of a two-part structure, the blade is sandwiched between them. Please check that the lower cover of the safety razor head is installed correctly. If you have questions about this, you can let us know first! Or you can view the usage video on our product page on Amazon. Item is defective when I got Don't worry, we'll do our best to solve your problem! Products may be damaged during shipping, when you find that you have received a damaged product, you can let us know first! Our Amazon customer support team will provide you with a satisfactory solution! Can I use it for all body area Absolutely! BULIMICA safety razor is perfect for shaving your armpits, arms, legs, pubic and bikini line. With its exceptional design, you'll experience a seamless shaving experience like no other. How to care for safety razor With the proper care and maintenance, your safety razor can last for many years. Always remember to dry your safety razor after use and avoid storing it in the shower. Once a month, give it a gentle clean using castile soap, warm water, and an old toothbrush. By taking these precautions, your razor will continue to perform as well as the day you brought her home! How the beginners use it Tips for beginners: Prior to shaving, prepare your skin with a hot shower or bath to open up your pores. Next, lather a generous amount of soap or cream onto the desired area and begin shaving with short, deliberate strokes at a 45-degree angle, just a few inches at a time, use short and gentle strokes. For the bikini zone, remember to shave along the hair's natural growth direction, keeping your skin taut for an effortlessly smooth glide. Rinse the blade frequently for optimal performance. Can I take them for a flight Safety razor handles without blades installed are allowed to be carried on airplanes under TSA air transportation regulations. However, double edge blades cannot be carried on the airplane and need to be checked in baggage. How often to change blades Each BULIMICA safety razor comes with 10 of the premium stainless steel blades. Each side of blades can give on average 3 to 5 or more smooth shaves, which means you can enjoy about 10 total shaves per blade. Depending on your shaving frequency, one blade could last you for many months! When you run out of blades, you can simply buy them separately at the BULIMICA store, which is very convenient and saves you money! Why choose metal safety razor Metal razors are safer for you and the environment. The lubricant or soap strips on disposable plastic razors usually contain nasty chemicals like PFAs that can mess with our nervous and hormonal systems. Additionally, more than two billion plastic razors are tossed away annually, resulting in a million pounds of plastic waste, some of which ends up polluting our oceans. By choosing a metal razor, you're making an natural friendly choice and it's more cost-effective too!