You need to put your brush and blades under the shower because hot water makes the brush and the razor softer, let's say, the brush lifts the hair and massage the skin so that it will be softer and pulling the skin helps the razor to go straight and smooth. Cold water shrinks the irritated from the blades pores. Al these tips are helping also for people with acne problems, depending on te kind of skin you have you want to apply every night some hydrating cream. Skin can be : FAT / REGULAR / DRY.