Final answer:
To stop bleeding from a shaving nick, clean the area, apply pressure, use a styptic pencil, or cover with a tissue or bandage. Seek medical help if bleeding is persistent or the cut is deep.
Step-by-step explanation:
To stop the bleeding from a nick during shaving, you should first wash the area with soap and water to clean the wound. Next, apply pressure to the nick for a few minutes to allow the blood to clot. If bleeding continues, you can use a styptic pencil, which contains alum to help constrict blood vessels and stop bleeding. Alternatively, applying a small piece of tissue or a bandage can also be effective. If the bleeding does not stop or the nick appears to be deep, seek medical attention.