
Ridges in your nails can be caused by a variety of factors, including aging, vitamin deficiencies, and underlying health conditions. While vertical ridges are typically cosmetic and a natural part of the aging process, horizontal ridges, known as Beau's lines, can indicate more serious conditions such as acute kidney disease or chemotherapy treatment. To improve the appearance of your nails and reduce ridges, it is recommended to maintain a healthy diet rich in vitamins and minerals, keep your nails and cuticles moisturized, and limit exposure to harsh chemicals and manicure procedures that can damage the nails. In some cases, gentle buffing and the use of nail hardeners can help improve the appearance of ridges, but it is important to do so sparingly to avoid thinning and weakening the nails. Consulting with a healthcare provider is advised to determine the underlying cause of nail ridges and receive appropriate treatment.
| Characteristics | Values |
|---|---|
| Cause | Ageing, vitamin deficiency, injury, skin conditions, chemotherapy, medication, frequent manicures, or exposure to chemicals and water |
| Treatment | Moisturizing, taking breaks from manicures, wearing gloves when handling chemicals or water, applying nail hardeners, and eating a balanced diet |
| Prevention | Maintaining nail hygiene, avoiding nail biting, and limiting exposure to harmful chemicals |
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What You'll Learn

Take a break from manicures
While nails do not need to "breathe", taking a break from manicures is essential for maintaining nail health. Manicures, especially those involving gel, acrylic, or artificial nails, can weaken and dry out your nails. This is due to the use of harsh chemicals, such as acetone, during the removal process, which can leave your nails brittle and prone to breakage. Additionally, improper removal techniques, such as filing and scraping, can further damage your nails.
Repeated manicures can also cause vertical ridges, known as trachyonychia, and horizontal ridges, called Beau's lines. Beau's lines can be a sign of underlying health issues, such as nutritional deficiencies, chemotherapy, peripheral vascular disease, or severe illness. Vertical ridges may indicate vitamin or nutrient deficiencies, including iron, folic acid (vitamin B9), or protein deficiencies.
To restore nail health, it is recommended to take a break from manicures for at least one to four weeks. During this time, you can apply moisturizers and cuticle oils to hydrate your nails and prevent biting and picking. You can also use a nail buffer to gently smooth the nail surface, but avoid over-buffing, as this can weaken your nails.
Taking breaks between manicures allows your nails to recover and helps prevent further damage. It is also essential to use proper removal techniques and choose reputable salons that employ gentle removal methods to minimize nail damage.
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Moisturise your nails and cuticles
Moisturising your nails and cuticles is an important step in maintaining nail health and achieving a long-lasting manicure. Dry nails are more prone to splitting, breakage and infection, so it is essential to keep them nourished and hydrated.
There are various products available for moisturising your nails and cuticles, including creams, oils and balms. When choosing a moisturiser, opt for one that is specifically designed for nails and cuticles, or use a regular hand cream. Look for ingredients such as avocado oil, jojoba oil and cactus flower extract, which are known for their hydrating properties. You can also use natural oils such as olive, avocado or flaxseed oil, which can be more cost-effective and easily accessible.
Apply a generous amount of moisturiser to your nails and cuticles throughout the day, especially after washing your hands or doing the dishes. Before bed, it is recommended to apply a thicker ointment or balm to your hands and nails and wear cotton gloves to lock in the moisture. This will help repair dry nails and cuticles and prevent further damage.
In addition to moisturising, it is important to exfoliate your nails to remove dead skin and improve the absorption of the moisturiser. You can use a glass cuticle pusher to gently push back your cuticles and remove any dead skin. Glycolic acid is also recommended for controlled exfoliation of the nail plate.
By incorporating these steps into your nail care routine, you can effectively moisturise your nails and cuticles, promoting healthy and strong nails.
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Eat a healthy, balanced diet
Eating a healthy, balanced diet is essential for maintaining strong and healthy nails. Nails can be affected by nutrient deficiencies, so ensuring you eat a variety of vitamins and minerals is crucial. Here are some specific dietary considerations to help reduce lines and ridges in your nails:
Firstly, focus on consuming enough healthy fats, proteins, and carbohydrates. The Mayo Clinic recommends that 20-30% of your calories come from healthy fats like olive oil, nuts, and seeds. Aim for 20% of your calories to come from high-protein foods such as lean meats, fish, and beans. Additionally, 45-50% of your calories should be from healthy carbohydrates, including fruits, vegetables, and whole grains.
Secondly, pay attention to your vitamin and mineral intake. Include plenty of green, leafy vegetables, citrus fruits, beans, lentils, avocado, nuts, and seeds in your diet. These foods are rich in folate and other B vitamins, which are essential for nail health. If you're looking to boost your B-12 intake, consider incorporating animal products like meat, poultry, fish, dairy, and eggs. Additionally, ensure you're getting enough zinc and iron, as deficiencies in these minerals can lead to nail ridges and changes in nail shape, such as spoon nails.
It's also important to limit inflammatory foods that can negatively impact your health and nail appearance. Reduce your consumption of alcohol, refined carbohydrates, and foods high in saturated fat.
While dietary changes are crucial, it's worth noting that nail health also depends on external factors. Prolonged exposure to water and harsh chemicals, such as cleaning supplies or certain hand soaps, can negatively affect your nails. Therefore, it's recommended to wear gloves when cleaning or immersing your hands in water for extended periods. Additionally, be cautious when using nail products, as some may contain harmful ingredients that can damage your nails over time.
Remember, if you notice persistent or abnormal nail ridges, it's always best to consult a dermatologist or healthcare provider to determine any underlying causes and receive personalized advice.
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Avoid picking or biting your nails
Ridges in your nails may be a sign of a health condition or nutrient deficiency. They can also be caused by nail biting, manicures, or damage to the nail. While there is no guaranteed way to prevent nail ridges, avoiding nail damage can keep your nails smooth, strong, and healthy.
Nail biting, or onychophagy, is a common habit that can be difficult to break. It is often associated with feelings of stress, anxiety, boredom, or insecurity. Nail biting can have negative consequences for nail health, including abnormal nail growth and damage to the tissue around the nails. Additionally, putting your fingers in your mouth multiple times a day increases your chances of getting sick as hands are a hotbed for germs.
To avoid nail biting, you can try the following techniques:
- Habit replacement: This approach involves replacing the habit of nail biting with a less harmful behavior. For example, you can gently rub your fingertips, palm, or arm when you feel the urge to bite your nails. You can also try clenching your fists tight or sitting on your hands to prevent yourself from physically performing the action of nail biting.
- Decoupling: This technique involves performing a similar movement but with a slight variation. For instance, if you tend to bite your nails, you can touch your earlobe instead of putting your hand to your mouth.
- Find your triggers: Pay attention to how you feel or what you are doing when you bite your nails. Once you identify your triggers, you can work on finding alternative ways to cope.
- Distract your hands and mouth: Keep your hands and mouth busy with other activities or objects. For example, you can fiddle with a stress ball or click a pen, or you can try chewing gum to occupy your mouth.
- Use bitter nail polish: Applying a special type of nail polish with a bitter taste can deter you from biting your nails due to the unpleasant flavor.
- Keep your nails short: Trimming your nails short can make it more difficult to bite them, reducing the satisfaction associated with the action.
- Wear gloves or stickers: Covering your nails with gloves or stickers can create a physical barrier that prevents you from biting your nails.
By incorporating these strategies into your daily routine, you can work towards breaking the nail-biting habit and improving the health and appearance of your nails.
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See a doctor or dermatologist
While nail ridges are often harmless and may be the result of natural ageing, they can sometimes indicate an underlying health condition or nutrient deficiency. If you're concerned about the appearance of lines on your nails, it's a good idea to see a doctor or dermatologist. Here's why and when you should consider making an appointment:
When to Seek Medical Advice
- Horizontal nail ridges (Beau's lines): These can indicate an interruption in nail growth due to various factors, including previous illness, chemotherapy, damage from artificial nails or manicures, injury, peripheral vascular disease, or nutritional deficiencies. Repeated Beau's lines may suggest an underlying condition affecting nail growth.
- Vertical nail ridges: While common in older adults due to slowing cell turnover, vertical ridges can also be caused by nutrient deficiencies (such as iron, folic acid, or protein deficiency), skin conditions like eczema, or repeated trauma from manicures and nail polish remover.
- White lines or spots (leukonychia): This can occur after "micro-trauma" to the nail, such as nail-biting, manicures, or hitting the nail against something. However, it can also be associated with illnesses, diseases like psoriasis, or medication use.
- Colour changes: Colour changes in your nails, including white, green, yellow, or dark marks, can indicate an underlying condition. For example, dark brown, black, or red discolouration under the nails may signal a serious condition like endocarditis or melanoma.
- Nail clubbing or spoon-shaped nails: Changes to the shape of your nails can be indicative of health issues. Spoon-shaped nails, or koilonychia, can be a sign of iron deficiency.
- Nail pitting, redness, and swelling: These symptoms may be related to nail infections or injuries and should be examined by a doctor.
What to Expect from a Medical Professional
- Dermatologist examination: A dermatologist can examine your nails and advise on a treatment plan. They may take nail clippings for laboratory analysis to check for signs of infection or other issues.
- Underlying cause identification: As nail ridges are often a symptom of other health problems, the treatment will focus on addressing the root cause. For example, managing blood sugar levels in the case of diabetes-related Beau's lines.
- Treatment recommendations: Depending on the cause, a doctor may recommend dietary changes, supplements, or topical treatments like moisturisers or ointments for skin conditions.
- Monitoring and follow-up: Treating the underlying condition may take several months to see improvements in nail health, as nails grow slowly. Regular follow-ups can help monitor progress and adjust treatment plans as needed.
Remember, while some nail ridges may be harmless, it's always best to consult a medical professional if you have any concerns or notice new or persistent ridges. They can help identify any potential underlying causes and provide guidance on improving nail health and overall well-being.
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Frequently asked questions
Horizontal lines, also known as Beau's lines, can be caused by damage to the nail matrix, such as manicures, picking or rubbing at the area, or dermatological conditions like eczema or psoriasis. Vertical lines are usually age-related and are typically nothing to worry about. However, they can also be caused by decreased circulation to the fingertips, stripping nails with solvents during manicures, tumours, or other dermatological conditions.
Treating the underlying cause of horizontal lines is crucial. If they are caused by an illness or short-term issue, they should grow out over time. Maintaining nail health by moisturising and protecting the cuticles can also help prevent horizontal lines.
Vertical lines are typically age-related and may become more pronounced as nails thin and become more brittle. While they cannot be removed, a nail buffer can be used sparingly to smooth them. Maintaining nail health by moisturising and protecting the cuticles is also important.
Yes, you can make several lifestyle changes to help prevent lines on your nails. This includes wearing gloves when working with harsh chemicals or household cleaners, taking breaks from gel manicures and artificial nails, and moisturising your nails and cuticles regularly. Eating a healthy diet rich in fruits, vegetables, and healthy fats can also help ensure you're getting the necessary vitamins and nutrients for nail health.











































