
Nail biting, or onychophagia, is a common habit that can have several negative consequences for nail health. Chronic nail biting can cause the nails themselves to become brittle or weak, and it can also damage the nail bed, giving the appearance of shorter nail beds. This is due to the little to no whiteness at the tip of the nail. While occasional nail biting is unlikely to change the way nails grow, habitual nail biting can cause irreversible damage to the nail bed, potentially changing the shape of the nail as it grows. However, some sources suggest that nail beds can grow back if the damage is limited to the top layer of the bed.
| Characteristics | Values |
|---|---|
| Nail bed growth after biting | Nail beds can grow back if the damage is limited to the top layer. |
| Nail biting complications | Shortening of the nail plate, infection of the nail folds, warts around and under the fingernails, infection of the oral cavity, damage to teeth. |
| Preventing nail biting | Applying bitter-tasting nail polish, using builder gel, wearing gloves, keeping nails trimmed and clean, using a nail brush instead of metal tools, pushing back cuticles, moisturising with hand cream, using cuticle oil, using a nail treatment serum. |
| Nail growth tips | Nails grow about 2.5 mm a month. It can take up to 3-6 months for a new nail. Nails on the dominant hand and nails in the summertime tend to grow faster. |
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What You'll Learn
- Nail biting can cause irreversible damage to the nail bed
- Biting your nails may lead to a fungal infection, causing the nail to separate from the bed
- A healthy nail bed is important for healthy nail growth
- Tips to stop biting your nails include keeping your hands occupied and applying bitter-tasting nail polish
- A regular nail care routine can help improve the health and appearance of your nails after biting them

Nail biting can cause irreversible damage to the nail bed
Biting your fingernails can cause irreversible damage to the nail bed. While occasional nail biting is unlikely to change the way your nails grow, habitual nail biting can cause permanent damage to the nail bed and may cause your nails to grow back in a different shape.
The nail plate (the actual fingernail) lies on top of the nail bed (the pink-coloured tissue containing blood vessels and nerves). Chronic nail biting can cause partial or complete loss of the nail plate. Once the nail bed is exposed, it keratinizes, meaning that it no longer adheres to the nail plate. This can lead to irreversible shortening of the nail plate as the new nail grows in.
In addition to damaging the nail bed, chronic nail biting can also lead to several other complications. These include bacterial and viral infections, as well as warts around and under the fingernails. Nail biting can also cause damage to teeth, chipping or wearing them down.
If you're looking to break the habit of nail biting, there are several strategies you can try. Keeping your nails clean and trimmed can help promote nail hygiene and reduce the risk of infection. Applying an unpleasant-tasting nail polish can also deter nail biting. Alternatively, you can create a barrier by using a Builder Gel, which promotes nail growth and strength while also making it impossible to bite your nails.
It's important to note that nail beds can grow back if the damage is limited to the top layer of the bed. However, if the damage is more severe, they may not grow back properly or at all. Establishing a regular nail care routine can help improve the health and appearance of your nails after breaking the habit of nail biting. This includes using cuticle oil to nourish and protect your nails, as well as keeping them hydrated with a moisturising hand cream.
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Biting your nails may lead to a fungal infection, causing the nail to separate from the bed
Biting your nails can have several negative consequences, including the risk of developing a fungal nail infection. This occurs when a fungus attacks a fingernail, toenail, or the skin under the nail, known as the nail bed. Toenails are more susceptible to fungal infections than fingernails because they thrive in dark, warm environments with less blood flow, making it harder for the body to detect and prevent the infection.
Fungal nail infections can cause the nail to become thickened, discoloured, and brittle, eventually crumbling or breaking off. The infection may also cause the nail to become misshapen, and a bad smell may be noticeable. In some cases, the nail can detach from the nail bed and fall off. The infection usually starts at the edge of the nail and moves towards the centre as the nail grows, resulting in white or yellow spots under the nail.
Nail biting can create tiny cracks in the nails or cuts in the skin, allowing bacteria and fungi to enter and cause an infection. Paronychia, a common nail infection, can be caused by bacteria or fungi entering through these small openings. If left untreated, paronychia can lead to nail detachment and serious infections that may require the removal of a finger or toe to prevent the spread.
To prevent and treat fungal nail infections, it is essential to maintain good hand and foot hygiene by regularly washing with soap and paying attention to the areas between the fingers and toes. Keeping your nails short and avoiding biting them can help reduce the risk of infection and promote healthier nails. It is also recommended to use a nail brush instead of metal tools to clean underneath the nails, as sharp objects can cause damage and separation of the nail plate from the nail bed.
While nail biting can have negative effects, it is reassuring to know that nail beds can grow back after biting. It takes dedication and time to break the habit, but with patience, your nail beds can recover, and you can achieve healthier and stronger nails.
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A healthy nail bed is important for healthy nail growth
To promote a healthy nail bed, it is important to keep nails clean and dry. Bacteria and fungi thrive in a moist environment, so maintaining clean, dry nails prevents bacteria from growing underneath them. It is also important to avoid biting your nails and to cut them straight across with sharp nail scissors or clippers. Filing nails in one direction with an emery board will help to keep them shaped and free of snags.
Protect your nails from water exposure, as too much can weaken them, causing them to split, peel, or break. Wear gloves when cleaning or washing dishes, and moisturize after hand washing. If you work with your hands a lot, consider wearing gloves to protect your nails from damage.
Artificial nails can also be used to protect your real nails from cracks and breaks. However, be cautious when using liquid acrylic nail compounds, as some products have been banned in many states due to high allergic sensitivity and serious nail damage. If you have difficulty growing your nails, artificial nails can be a good option to provide protection and allow your natural nails to grow.
Genetics play a significant role in determining the size and shape of your nail beds. However, by following these tips, you can promote a healthy nail bed and encourage optimal nail growth.
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Tips to stop biting your nails include keeping your hands occupied and applying bitter-tasting nail polish
Biting your nails can make them appear shorter due to the absence of the white tip. However, nail beds can grow back after biting. It takes about 2.5 mm of growth per month to restore the appearance of your nails, and this can take up to 3 to 6 months for a completely new nail.
Keep your hands occupied
Try to keep your hands busy and engaged in an activity that does not involve putting your fingers in your mouth. You can try playing with a stress ball, using a fidget toy, or clicking a pen. These activities will help to keep your hands occupied and away from your mouth.
Apply bitter-tasting nail polish
Using a bitter-tasting nail polish is an effective way to stop nail biting. The unpleasant taste will deter you from putting your fingers in your mouth. These polishes are safe, odourless, and colourless, and they can be purchased over the counter. They are formulated for both adults and children above the age of three.
Identify your triggers
Try to identify the triggers that cause you to bite your nails. It could be boredom, stress, anxiety, or even physical triggers such as hangnails. Once you are aware of these triggers, you can develop strategies to avoid or manage them effectively.
Keep your nails trimmed and looking their best
Maintaining short nails can help reduce the temptation to bite them. You can also try getting manicures or painting your nails to make them look nice. This might deter you from biting them, as you would not want to ruin your well-groomed nails.
Take a gradual approach
Instead of stopping all at once, try to gradually stop biting your nails. You can start by stopping biting the nails on one hand or even just your thumbnails. Once you have successfully eliminated the habit on one hand, you can then focus on the other hand.
Remember, nail biting can be a challenging habit to break, but with persistence and the right strategies, it is possible to overcome it and restore the appearance of your nail beds.
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A regular nail care routine can help improve the health and appearance of your nails after biting them
Nail biting is a common habit that can be challenging to break. It can cause damage to the nails and surrounding skin, making them appear shorter and affecting their overall health and appearance. However, establishing a regular nail care routine can significantly improve the health and aesthetics of your nails after biting them. Here are some detailed tips for a beneficial nail care regimen:
Keep Your Nails Trimmed and Well-Maintained
Regular trimming and filing can help maintain a neat appearance and reduce the temptation to bite your nails. Aim for a comfortable length that minimizes breakage. Instead of cutting your nails, consider filing them with a fine glass file, as it is generally less harsh on your nails.
Moisturize and Nourish Your Nails
Hydration is essential for nail health. Incorporate a moisturizing hand cream into your daily routine to keep your nails and the surrounding skin hydrated and supple. Cuticle oils are also highly beneficial, as they contain essential fatty acids, vitamins, and minerals that strengthen and repair damaged nails. Massage a small amount into the base of each nail to promote nourishment and protection.
Practice Good Nail Hygiene
Maintain good nail hygiene by regularly cleaning under your nails with a nail brush instead of metal tools. Metal tools can cause slight damage and separation of the nail plate from the nail bed. Additionally, push back your cuticles to give the appearance of longer nails. Before doing so, soak your nails in warm water with a few drops of essential oil or cuticle oil to soften the cuticles. Then, gently push them back with a cuticle stick.
Address the Habit of Nail Biting
Breaking the habit of nail biting is crucial for the recovery and maintenance of healthy nails. Identify your triggers, such as boredom, stress, or anxiety, and develop strategies to avoid or manage these situations. You can also apply bitter-tasting nail polish, cover your nails with tape, or wear gloves to deter nail biting. Additionally, consider behavioral therapy, self-care practices, and relaxation techniques to support your journey toward healthier nails and a healthier you.
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Frequently asked questions
Nail beds can grow back if the damage is limited to the top layer of the bed. However, habitual nail biting can cause irreversible damage to the nail bed and may cause your nails to grow back in a different shape.
To stop biting your nails, you can try:
- Keeping your nails trimmed and clean
- Applying an unpleasant-tasting nail polish
- Wearing gloves or bandaging your fingers
- Keeping your hands occupied with a stress toy or crafts
- Applying Builder Gel to act as a barrier
To make your nail beds appear longer, you can:
- Push back your cuticles
- Treat any fungal nail infections
- Avoid biting your nails or cutting them too short
- Use artificial nails to protect your real nails
- Clean underneath your nails with a nail brush instead of metal tools
Chronic nail biting can lead to several complications, including:
- Shortening of the nail plate
- Infection of the nail folds
- Warts around and under the fingernails
- Infection of the oral cavity
- Damage to teeth










































