Do not rub your finger for more than a few seconds since it can cause irritation. The sandpaper from a matchbox will also work. Stop rubbing the area if it becomes red or irritated

If this isn’t enough to get rid of the stains, then you can also soak your fingers in the solution for five minute intervals five times a day. After you rinse your hands, apply some hand cream or moisturizer to counter the drying effects of the bleach. You may want to wear a mask when doing this method. Don’t attempt this method when you have an open wound or right after using a different stain removal method. Do not use this method if you are sensitive to bleach. If you use this method and it irritates your skin, then rinse the bleach off of your skin right away.

Try using a whitening toothpaste for extra tough nicotine stains.

Leave the lemon coating on your fingers for 5-10 minutes and then rinse it away with warm water. You can repeat this process up to five times per day. Keep in mind that this method will sting if you have any small cuts on your fingertips.

You can repeat this process up to 10 times per day.

You can also add a few drops of water to a single aspirin tablet to form a paste and use the paste to scrub your nails. Use a nail brush to apply the paste to the yellow areas of your skin and let it sit for 15 minutes. Then, rinse away the paste and wash your hands thoroughly afterwards.

You can use hydrogen peroxide to clean your nails once per week for up to three months. Keep in mind that this method will sting if you have any small cuts on your fingers.

You can repeat this process three times a day for up to a month. Soaking your nails in apple cider vinegar will sting if you have an open wound.

You can repeat this process once a day for one week. This method works best with Listerine or a similar alcohol-based mouthwash.

Do this two to three times daily for several weeks. You can also add two tablespoons (30 ml) of dried orange peel powder to water to create a paste. Use a nail brush to layer the paste on your affected nails. Let the paste sit for 10 minutes, and then rinse off with tepid water. Do the paste method twice a day for a couple of weeks. [9] X Research source

Some plain knit winter gloves will help to reduce the smoke exposure, but some may still seep through. Try wearing some vinyl or leather gloves to protect your fingers even more.

Applying lotion after you smoke is not a bad idea either. The lotion can help to reduce the smell of the cigarette smoke as well.

Try to get into the habit of washing your hands with soap and warm water right after you finish smoking.

You may want to avoid chewing tobacco or anything else that may stain another part of your body instead—like your teeth.

In the hookah method, you hold the metal holster mid-way while breathing in from one end while the back end is hooked up to a larger container of tobacco that is being heated. Other metal pipes simply have you place the cigarette at one end of the pipe while you hold the metal tube and inhale from the free end. The smoke by volume is much greater with a hookah than a typical cigarette. The smoke is cooled as it passes through a water system before going through the pipe the user inhales from.