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Laura Vryhof/Demand Media

Well-manicured hands help to make women look well groomed and professional. Keeping the underside of your nails white is part of the process of having manicured hands. Some people have trouble making their nails look white due to yellowing of the nails, brittle nails and other issues. Creating the illusion that the underside of your nails are white is not difficult and gives your nails a polished look.

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Laura Vryhof/Demand Media

Fill a small bowl with warm water and soap. Soak your hand in the small bowl of warm water for 10 to 15 minutes. This will let any dirt or particles on your hands soften up so that you can get it off your nails easier.

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Laura Vryhof/Demand Media

Clean your nails with a soft and clean nailbrush. Use the nailbrush to remove any dirt or buildup that makes your nails look discolored. Scrub under each nail and over the nails with a nailbrush.

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Laura Vryhof/Demand Media

Mix a teaspoon each of lemon juice and baking soda into another bowl. Dip your nailbrush into the mixture and scrub your nails with it. This helps whiten both sides of your nails. Scrub the top of your nails and underneath your nails. According to the Women Junction website, this is a good way to make your nails look whiter.

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Laura Vryhof/Demand Media

Wash your hands to get rid of the mixture. Dry your hands with a towel and inspect your hands to make sure that they are completely clean. Having clean hands adds to the illusion of making the underside of your nails look whiter.

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Laura Vryhof/Demand Media

Use a nail file and clean the underside of your nails with the nail file. Complete this task by using the tip of the nail file and scraping under the nail to try to get any remaining dirt out. This helps make the undersides of your nails look whiter.

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Laura Vryhof/Demand Media

Apply clear nail polish to your nails and let the polish dry. This protects your nails and gives them a manicured appearance. Use a French manicure pen and color the tips of your nails white. This creates the illusion of having nice white nails and even makes the undersides of your nails look whiter.