This will vary from person to person. If some people give up smoking completely and keep in good health, they will recover faster than the average person and their appearance will recover faster than the average person. Some people sit up late for a long time after quitting color, surf the Internet for a long time, eat inappropriately, and get angry, so they will slowly recover. Generally speaking, abstinence for a few months will greatly improve you, and a year will bring about great changes. After two to three years, you should be handsome again, but only if you give up completely and keep in good health.