Primary Competitive Advantages:Direction for use:1. soften up the hair with shving cream or shaving foam.2. remove protect cover, watch out the blade.3. shave hair slowly, get rid of the sticky hair, repeat several shaves.4. wash and clean, keep it dry until next time .we are the most profesional double edge blade razor maker in China.We have any kinds of double edge blade razor, if you need , pls email to us.