
A split nail is a common issue faced by many people, and it can be caused by various factors such as injuries, moisture, skin conditions, or simply having thin and brittle nails. While some people choose to cut their nails when they split, others prefer to repair them with a silk patch or nail glue. Cutting a split nail can be a quick solution, but it might not always be the best option as it can affect the nail growth and the overall appearance of the nail. On the other hand, repairing a split nail can be a more aesthetically pleasing option, but it may require more time and effort.
| Characteristics | Values |
|---|---|
| What to do when a nail breaks | Cut the others down to match or repair with a silk patch |
| Causes of split nails | Injuries, infections, skin conditions, overexposure to moisture, chemical cleaners, detergents, acetone, nutrient deficiencies, certain medicines, severe illnesses |
| Prevention | Keep nails clean and healthy, avoid scraping the nail bed with metal, refrain from keeping hands or feet in water for long periods, use a moisturizer, use nail-hardening products, don't bite or pick at nails, wear gloves while doing chores, don't rip or pull hangnails |
| Treatment | Trim away the split (if it isn't covering the nail bed), cover the nail with a self-adhesive wrap, use nail polish with nylon fiber, apply lotion with alpha-hydroxy acid or lanolin, use a silk nail wrap |
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What You'll Learn

Treatment options for split nails
Home Remedies
If the split is not severe and close to the nail bed, you can try using a silk patch to repair it. Cut a nail-sized piece of silk wrap and place it against the broken nail, then apply a gel coat. Once the gel sets, you can buff the nail and apply nail polish if desired. Alternatively, you can use nail glue to mend the split. Cut a nail-sized portion from an ordinary tea bag and use a brush with adhesive to glue it in place. Once the glue dries, buff the nail and paint over it if needed.
Medical Treatment
In some cases, a split nail may require medical attention, especially if it is causing frequent discomfort or is the result of an underlying condition such as psoriasis. A healthcare professional may need to remove the nail, stitch the nail bed, or reattach the nail using stitches or glue. Antifungal or antibiotic treatments may also be necessary if the split is caused by an infection.
Preventative Measures
While split nails may not always be preventable, certain precautions and lifestyle changes can help reduce the likelihood of nail damage:
- Use a moisturizer on your nails and cuticles to prevent excess moisture from causing nail weakness and brittleness.
- Consider using nail-hardening products, especially if you experience frequent nail splitting.
- Avoid nail biting and picking, as this can decrease nail strength and lead to splitting.
- Wear gloves while doing household chores to protect your nails from potential injuries and excessive moisture.
- Maintain a healthy diet rich in vitamins and minerals, and consider taking biotin supplements with a doctor's consent to promote nail health.
Remember, if you are unsure about how to treat a split nail or if the split is causing you pain or other symptoms, it is best to consult a healthcare professional for advice.
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Preventing split nails
While you can't always prevent split nails, there are several ways to lower the chances of them occurring. Firstly, avoid long-term exposure to water, which can cause nails to become weak and brittle. This includes activities such as washing dishes and repeated nail polish use. To prevent this, wear gloves when doing household chores, especially those that involve water.
Secondly, avoid nail biting and picking, as this can cause stress to the nail, resulting in a self-inflicted split. If you struggle with this, try to identify the cause of your anxiety and find healthier coping mechanisms.
Thirdly, keep your nails clean and dry. Wash and moisturize your hands regularly, and use a moisturizer on your nails and cuticles. Look for moisturizers containing alpha hydroxy acids (AHA), glycerin, or lanolin, which can strengthen brittle nails.
Additionally, avoid harsh nail products, such as acetone-based nail polish remover, and refrain from scraping the nail bed with metal tools during manicures. Instead, opt for nail hardening or strengthening products, which can help restructure fragile nails and improve moisture levels.
Finally, consider taking supplements or eating a diet rich in vitamins and minerals that promote nail health, such as vitamins A, B, C, and D, iron, zinc, and calcium.
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What causes split nails
Split nails, also called onychoschizia, can be caused by a variety of factors, including physical stress, nutrient deficiency, wear and tear, and underlying medical conditions. Nails can split either horizontally or vertically, and understanding the type of split can help determine its cause.
Horizontally split nails, or onychoschizia, are usually indicative of damage to the proteins that connect the nail layers. This type of split can be caused by physical stress, such as nail biting or picking, or by moisture exposure during activities like dishwashing or handwashing. Overexposure to moisture can lead to brittle nails that are prone to splitting. Additionally, harsh chemicals and solvents in nail polish and removers can dehydrate nails, making them more susceptible to splitting.
On the other hand, vertically split nails, or onychorrhexis, suggest damage to the nail matrix, the part of the finger that creates the nail. Vertical splits can be caused by nutrient deficiencies, especially a lack of calcium, iron, zinc, biotin, or selenium. Certain skin conditions, such as psoriasis, can also contribute to vertically split nails by causing nails to become brittle, thick, and prone to crumbling and splitting.
In some cases, split nails may indicate an underlying medical condition or infection. For example, fungal infections can enter through small nail cracks, leading to fragile, discoloured, and misshapen nails. People with diabetes, a weak immune system, or nail injuries are more susceptible to nail fungus. Additionally, during pregnancy, hormonal changes and increased blood volume can lead to iron deficiency anaemia, resulting in brittle nails that are prone to splitting.
While less common, aging can also contribute to nail splitting. As we age, our nails tend to grow more slowly and become brittle, thick, and prone to cracking and splitting.
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When to see a doctor about a split nail
Fingernails and toenails are made of layers of keratin, a protein also found in hair. Healthy nails are smooth and have consistent colouring. Nails can split due to several reasons, including injuries, frequent exposure to moisture, nail cosmetics, nutrient deficiency, and underlying conditions such as fungal infections or psoriasis.
While nail splitting is usually a cosmetic issue, there are instances when you should see a doctor. Here are some scenarios when it is advisable to seek medical advice for a split nail:
- When the split extends to the nail bed: If the split nail separates from the nail bed, it can be painful and may require medical attention. In such cases, part of the nail might need to be removed to promote healing, and the nail bed may need stitches.
- Frequent discomfort or severe pain: If your split nails are causing you frequent discomfort or severe pain, it is important to consult a doctor about treatment options. They can advise on pain management and address any underlying causes.
- Separation, discoloration, or other symptoms: If your split nail is accompanied by symptoms such as separation from the nail bed, nail discoloration, or other concerning changes, it is advisable to see a doctor. These could indicate underlying conditions, such as fungal infections or psoriasis, that require medical treatment.
- Frequency of nail splitting: If you experience frequent nail splitting, it may be worth consulting a dermatologist about nail strengthening treatments. They can recommend daily changes to reduce nail splitting and improve nail health.
In summary, while nail splitting is often a cosmetic concern, certain instances warrant medical attention. If the split nail affects the nail bed, causes frequent discomfort or severe pain, or is accompanied by concerning symptoms or frequent occurrences, it is important to seek advice from a doctor or dermatologist. They can provide treatment options, address underlying causes, and offer guidance on nail health and strengthening.
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Repairing a split nail with silk wraps
If you have a split nail, you don't need to cut it off and start over. Instead, you can repair it with a silk wrap, which is virtually undetectable under polish or gel. Silk nail wraps are a great option for those with weak, brittle, or easily split nails as they help to add strength and deter future nail breakage.
- Examine the nail to determine where it's split or broken.
- Apply a thin layer of resin to the damaged area.
- Trim the silk wrap to fit the area. The wrap should cover more than just the tear, extending over the sidewall.
- Using L-shaped tweezers, lay the silk wrap onto the nail plate, avoiding touching the wrap with your fingers.
- Allow the resin to dry completely or use an accelerating spray.
- Dab resin over the wrap until it blends seamlessly into the nail. You may need to reapply resin and buff again if air bubbles appear or if the wrap remains visible.
- Buff the nail with a 180-grit file to create an even surface.
- File and shape the nail to ensure an even sidewall where the crack lies.
- Cleanse and prep the nail, then continue with your nail service as usual.
It is important to note that you should not wrap the entire nail with silk, as it is not as strong as fiberglass or linen. Instead, focus on repairing the crack or split in the nail. Additionally, the silk wrap should be trimmed on the shorter side, as it may not lay down nicely if it is too long.
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Frequently asked questions
The treatment for a split nail depends on its severity and type. If the split is past the nail bed, you can trim it off with nail clippers. If the nail is covering the nail bed, you should treat it with a self-adhesive wrap, a silk patch, or a lotion with alpha-hydroxy acid or lanolin.
Split nails are often caused by an injury, such as stubbing your toe or receiving a blow to a finger or thumb. They can also be caused by infections, skin conditions, overexposure to moisture, nutrient deficiencies, or certain chemicals.
To prevent your nails from splitting, keep them clean and healthy. Avoid long-term exposure to water and metal tools, and refrain from biting or picking at your nails. You can also use a moisturizer, nail-hardening products, and gloves for household chores.











































