
Maintaining good nail hygiene is essential for your overall health and well-being. While keeping your nails clean and trimmed is important, it's crucial to do so properly to prevent nail matrix injuries and potential infections. Cutting your nails too short or digging underneath them can expose the sensitive skin beneath, increasing the risk of nail separation or onycholysis. In addition to causing nail damage, cutting the white parts of your nails can be misleading, as the whites can be a sign of your nail reattaching and healing. Therefore, it's generally recommended to avoid cutting or digging into the white parts of your nails and instead allow them to grow out naturally.
| Characteristics | Values |
|---|---|
| Cutting nails to prevent | Bacteria growth, nail separation, ingrown toenails, hangnails |
| How to cut nails | Trim toenails straight across, trim fingernails with a slight curve at the edges, don't cut too short, use multiple small cuts, round out the nail at the edge with a small cut, file nails after cutting |
| Prevent nail matrix injuries | Cut nails properly, manage health conditions, minimize foot fungus risk, protect hands |
| White nails could be caused by | Nail psoriasis, fungal infections, medication, peripheral artery disease, severe eczema |
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What You'll Learn

Preventing nail matrix injuries
The nail matrix is where your fingernails and toenails form. It is responsible for nail growth and regeneration of the nail bed. A healthy nail matrix is essential for healthy nails.
Injuries and certain health conditions can damage your nail matrix and affect how your nails look or grow. Nail matrix injuries can cause bruising, ridges, discolouration, and even lead to the nail falling off. Some injuries can cause nail infections or onycholysis (nail separation).
Proper Nail Care and Hand Hygiene
Follow the rules of proper nail care and hand hygiene every day. When getting a manicure or pedicure, either perform them gently yourself or use the services of reputable beauty salons. Avoid manipulation of the cuticle, either at home or at a nail salon. Cut your nails properly: trim toenails straight across to prevent ingrown toenails, and trim fingernails with a slight curve at the edges, without cutting them too short.
Manage Health Conditions
Certain health conditions, such as psoriasis, eczema, and peripheral artery disease (PAD), can affect your nail matrix. If you have a condition that could impact your nails, manage it effectively by seeking regular medical care.
Minimise Foot Fungus Risk
Fungal infections can cause onycholysis. Minimise the risk of foot fungus by avoiding walking barefoot in public areas like bathrooms or locker rooms, where fungi commonly thrive. Change out of wet shoes and socks as soon as possible.
Protect Your Hands
If you work with tools, machinery, or chemicals, take precautions to avoid injuries to your fingers and hands. Familiarise yourself with "pinch points" when using tools or machinery, and wear gloves when advised by your employer or when handling chemicals.
Avoid Irritating Chemicals
Certain chemicals in nail products can irritate your nails or the skin around them and cause onycholysis. Avoid nail polish, nail gloss, nail hardeners, nail polish removers, and fake nails.
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Avoiding fungal infections
While the white spots on your nails may be harmless, they could also be indicative of a fungal infection. Fungal nail infections are common and can take a long time to treat. They occur when fungi get between your nail and nail bed, usually through cracks or cuts in your fingers or toes. The infection causes the nail to thicken, discolour, and become easy to break. Nails may also develop white spots and streaks, turning yellow and crumbly over time.
Practice Good Nail Hygiene
Keep your nails trimmed straight across and slightly curved at the edges, avoiding cutting them too short. Be careful when cleaning underneath your nails, as tools like cuticle sticks and nail brushes can break the skin and cause infection. Avoid biting your nails, as this can also introduce bacteria and fungi.
Protect Your Nails
Avoid going barefoot in public areas like bathrooms, locker rooms, gyms, and communal showers, where fungi commonly thrive. Wear clean socks, comfortable protective shoes, and avoid wearing wet shoes and socks for extended periods.
Be Mindful of Products and Treatments
Certain chemicals and products can irritate your nails and the surrounding skin, making them more susceptible to infection. This includes nail polish, nail gloss, nail hardeners, nail polish removers, and fake nails. If you notice any signs of infection, discontinue the use of these products and consult a healthcare professional.
Manage Your Health Conditions
Certain health conditions, such as diabetes, can increase your risk of developing fungal nail infections. If you have a condition that affects your nails, such as psoriasis, regularly consult with your healthcare provider to manage the condition effectively.
Practice Hand and Foot Care
When working with tools or machinery, be mindful of "pinch points" that could injure your fingers or hands. Wear gloves when advised by your employer or when handling chemicals. Additionally, wear gloves when doing activities that may damage your nails, such as washing dishes, playing sports, or working outdoors.
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Recognising signs of nail psoriasis
Nail psoriasis is an autoimmune condition that affects the fingernails and toenails. It is characterised by changes in the colour, texture, and shape of the nails. While anyone can get nail psoriasis, certain factors increase the likelihood, including having psoriasis or a family history of psoriasis, being over 40 years old, and having psoriatic arthritis. Recognising the signs of nail psoriasis is important for early treatment and management of the condition.
One of the most common signs of nail psoriasis is pitting, which causes the nails to appear as if they have tiny dents or pinprick holes. The nails may also exhibit ridges or grooves, and there may be a buildup of chalky white material under the nail, known as debris, leading to nail lifting or separation from the skin. Additionally, the nails may thicken, become brittle, and change colour, turning white, yellow, brown, or even purple, depending on the skin tone.
Other signs of nail psoriasis include tenderness and pain in the nails, which can make it difficult to move the fingers and toes and perform tasks with the hands. In some cases, there may be bleeding under the nail, and the nails may become crumbly and rough. It is important to note that nail psoriasis can be challenging to treat, and early detection through recognising these signs can help prevent the condition from worsening.
If you suspect you have nail psoriasis, it is important to consult a healthcare provider for a proper diagnosis and treatment plan. Treatments may include corticosteroids, medicine injections, oral medications, or phototherapy using ultraviolet light. Good nail care is also crucial for managing nail psoriasis.
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Trimming nails correctly
Trimming your nails is an important part of your hygiene routine. It keeps your nails clean and prevents them from snagging and breaking. Here is a step-by-step guide on how to trim your nails correctly:
Prepare the nails for cutting: Soften your nails by soaking them in warm water for a few minutes or right after a shower or bath. This makes them easier to trim and less likely to split. Dry your nails before cutting.
Gather your tools: Use nail clippers or nail scissors for fingernails and toenail clippers for toenails. Ensure your tools are disinfected to avoid any bacterial infections.
Cut your nails: Cut your fingernails straight across with multiple small cuts, leaving the corners of the nail intact at the sides. Avoid cutting your nails into a "V" shape or rounding off the edges. Cutting your nails straight across helps prevent ingrown toenails. For toenails, cut straight across and avoid cutting them too short to prevent ingrown toenails.
File your nails: Use a nail file or emery board to file and smoothen the nails. File in one direction, from the side to the centre of the nail, to avoid damaging or weakening your nails.
Moisturize: Moisturizing your nails after trimming helps keep them flexible and prevents splits and breakage. Look for lotions with hydrating ingredients like ceramides and hyaluronic acid. Remember to apply moisturizer to your cuticles as well.
Some additional tips to keep in mind:
- Trim your nails regularly, ideally once a week, to prevent them from growing too long.
- Avoid biting your nails.
- Be careful when cleaning underneath your nails. Avoid using sharp tools as they can break the skin and cause infections.
- Leave your cuticles alone. Cuticles protect the nail root, and cutting them can increase the risk of infection.
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When to seek medical care
While nail issues often occur due to injury or overexposure to moisture, they can sometimes be indicative of more serious health issues. It is important to seek medical care if you notice any abnormalities in your nails.
If you notice any colour changes in a single nail, this could be a sign of a nail matrix problem and should be medically investigated. Brown or black discolouration, in particular, is the most common sign of subungual melanoma, a type of skin cancer that affects the nail matrix. Any red, purple, grey, or white skin around the nail, accompanied by irritation and swelling, could indicate an infection, and you should seek medical advice.
Deep grooves or gaps that run the width of your nail can indicate that something has slowed or stopped your nails from growing. This could be due to a fever, injury, chemotherapy, or major stress. If you are unsure of the cause, you should consult a dermatologist or your primary care doctor.
Horizontal lines or ridges on your nails could be a sign of vitamin or mineral deficiencies. While this is usually nothing to worry about, it is recommended that you consult a healthcare professional and adjust your diet to include more whole foods, fruits, vegetables, and whole grains.
If your nails are rough, brittle, or splitting, this could be caused by repeated wetting and drying of the fingernails. In some cases, it could also indicate hypothyroidism or iron deficiency. Applying lotions containing alpha hydroxy acids or lanolin and wearing gloves during water-heavy tasks may help.
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Frequently asked questions
Cutting your nails is important to prevent bacteria growth and maintain good hand and foot hygiene.
Nails should be cut straight across. Cutting nails at an angle can result in painful hangnails. After cutting, use a nail file to shape them.
The white part of your nail could be a sign of a nail matrix problem. It could also be your nail reattaching itself and healing.
You should not cut the white part of your nails as it could expose the sensitive skin underneath and increase the risk of infection. Instead, wait for the white part to grow out.











































