Sophia Delgado
Fingernail maintenance is an important part of personal hygiene. Cutting your nails too short can increase the risk of infection, especially ingrown nails. Dermatologist Dr. Rajani Katta recommends leaving 1-2 millimeters of the white rim of the nail, or the lunula, when cutting your nails. This length is long enough to be useful, such as when turning a page in a book, but short enough to prevent them from getting in the way during activities like typing. It is also recommended to cut your nails straight across with multiple small cuts, rather than one large cut, to prevent hangnails and weakening the nail.
| Characteristics | Values |
|---|---|
| How to cut your fingernails | Nails should be cut straight across with multiple cuts, not in one large cut. Nails should be cut straight, not at an angle, to prevent painful hangnails. |
| How often to cut your fingernails | Regular clipping can help nails grow faster. Toenails grow much slower than fingernails and don't need to be trimmed as often. |
| How much nail to leave on | Dermatologist Dr. Rajani Katta suggests leaving 1-2 millimeters of the white rim (the lunula) when you cut them. This length is useful and keeps them from getting in the way. |
| Health concerns | Not having enough fingernail can increase the risk of infection, especially ingrown nails. |
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What You'll Learn
Fingernails should extend past the finger pad by 1-2mm
To achieve this length, it is recommended that you cut your nails with small, rounded-blade clippers designed for fingers. Cut the nails at an angle, as the curve of the blade doesn't match the curve of the nail. Cutting straight-on can bend and damage the nail. Nails should be cut straight across with multiple small cuts, rather than one large cut, to avoid weakening the nail. Then, use a nail file to smooth out and shape the nail. File in one direction, beginning at the outside edge and pulling up towards the centre, using gentle motions to prevent breakage.
It is important to maintain good hand hygiene by regularly cleaning and trimming your fingernails. This helps to prevent bacteria growth and keep your nails looking their best. Nails should be cut right after a shower or bath when they are softer, and they should be kept moisturised.
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Toenails are thicker and grow more slowly than fingernails
Toenails and fingernails have different growth rates, with fingernails growing at more than double the rate of toenails. On average, fingernails grow at a rate of 3.47 mm per month, while toenails grow at 1.62 mm per month. This discrepancy is thought to be due to a combination of evolutionary and functional factors.
Nails evolved from claws around 55 million years ago, with the fossil record showing that the earliest known primate-like mammal had evolved a single toenail. In contrast, the last common ancestor of primates had evolved nails on all its toes except for the second, which retained a "toilet-claw" used for grooming. This suggests that toenails may have evolved more slowly than fingernails, which could explain their thicker composition and slower growth rate.
In addition to evolutionary factors, the difference in growth rate may also be influenced by nail use and the resulting trauma to the nail bed. Fingernails are generally subjected to more frequent and varied use compared to toenails, which are usually protected by shoes or socks. This increased use can lead to more frequent trauma to the fingernail bed, potentially stimulating faster nail growth in the fingers compared to the toes.
Furthermore, blood circulation also plays a role in nail growth. As blood circulation tends to slow down with age, it can result in slower nail growth over time. This may be one of the reasons why toenails, which are farther from the heart and have reduced blood flow, grow more slowly than fingernails.
While there are no scientifically proven methods to accelerate nail growth, maintaining overall health and proper nail care can help strengthen nails and prevent breakage. For example, taking biotin supplements has been shown to reduce nail breakage and improve overall nail health. Additionally, trimming nails regularly and softening them before trimming can help keep them in optimal condition.
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Nails should be cut straight across
Cutting your nails straight across is the recommended approach for a number of reasons. Firstly, it helps to prevent painful hangnails, which can be a common issue if nails are trimmed at an angle. Straight-across cutting also reduces the chances of developing ingrown nails, which can be uncomfortable and even lead to infection.
When cutting your nails, it is best to use a series of small cuts rather than one large cut. This technique helps to maintain the strength of your nails by avoiding unnecessary bending and weakening of the sides. Begin by softening your nails through soaking or showering, making them easier to trim without splitting. Then, use small, rounded-blade clippers designed for fingers to cut straight across, with multiple cuts if needed.
It is important to note that the angle at which you cut your nails can depend on the shape of your fingers and toes. Some people find that a square edge may snag and break on more rounded digits. In such cases, slightly rounding the corners of your nails after cutting them straight can help to prevent this issue.
After cutting your nails, use a nail file to smooth and shape them. File in one direction, using gentle motions to prevent breakage, and tilt the file slightly back to protect against over-filing.
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Round the nail at the edge to prevent ingrown nails
When cutting your fingernails, it is recommended to use smaller, rounded-blade clippers. However, it is important to cut your nails straight across and not at an angle, as this can cause painful hangnails.
Rounding the nail at the edge can help prevent ingrown nails, but this only applies to fingernails. For toenails, it is important to cut straight across without tapering or rounding the corners. Ingrown toenails occur when the corner of the toenail grows into the skin, usually the big toe, and this can happen if the nail is cut so that it curves with the shape of the toe.
To prevent ingrown toenails, it is recommended to cut the nail so that it is no shorter than the edge of the toe. This will reduce the risk of the nail growing into the skin. It is also important to wear shoes that fit correctly and to keep your feet clean and dry.
If you do develop an ingrown toenail, it is important to treat it as soon as possible. Soaking the foot in warm water several times a day can help, as can placing cotton or waxed dental floss under the ingrown edge to separate the nail from the skin. If the condition does not improve within a few days, or if it worsens, it is recommended to see a doctor.
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Clean your nail clippers to prevent infection
Clean and disinfect your nail clippers regularly to avoid getting infections from bacteria and fungus. Unclean clippers can cause uneven cuts, leaving sharp edges or irregular shapes, which may lead to ingrown nails. They can also become dull or damaged, resulting in uneven and rough nail edges that may lead to nail weakness and susceptibility to breakage.
Before disinfecting your nail clippers, check if they have any removable parts, such as a hinge pin or removable cutting head. If they do, carefully disassemble them to ensure that all surfaces and crevices can be thoroughly cleaned and disinfected.
There are several effective disinfectants that can be used to clean your nail clippers:
- Rubbing alcohol: Soak your nail clippers in a glass bowl containing at least 70% concentrated rubbing alcohol for at least 30 minutes. Then, rinse them with warm water and dry them completely.
- Hydrogen peroxide: Soak your nail clippers in a shallow bowl of hydrogen peroxide for at least 5 minutes, or dab some of the solution on a cloth to wipe the clippers. Hydrogen peroxide is a chemical disinfectant that breaks down germs and bacteria.
- Hospital-grade disinfectant: Opt for a hospital-grade disinfectant for advanced clinical cleaning power. This is what salons typically use to disinfect their nail supplies.
- Barbicide: Cover your clippers and soak them in Barbicide in a glass bowl, following the company's directions. Barbicide is a professional and hospital-grade disinfectant that also contains a powerful rust inhibitor. Soak your clippers for at least 10 minutes, then dry them and store them in a bag for next time.
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Frequently asked questions
Dermatologist and author Dr. Rajani Katta suggests leaving 1-2 millimetres of the nail's white rim (the lunula) when you cut them. This length is long enough to be useful, such as when turning a page, but not so long that they get in the way, such as when typing.
Nails should be cut straight across and slightly rounded at the top. Cutting nails at an angle can result in painful hangnails. It is also important to use the correct nail clippers; smaller, rounded-blade clippers are designed for fingers.
Trimming your nails is an important part of your hygiene routine. It is recommended to trim your nails regularly to keep them clean and prevent them from snagging and breaking.
