Brittle Nails: Causes, Treatment, and Prevention
Brittle nails can feel like they break at the worst possible moment, right when you finally grow them out a little or finish the cutest manicure. The good news, you are not stuck with weak, peeling nails forever. Most brittle nails are linked to habits, products, or simple health factors you can actually change.
To keep your nails from breaking again after they heal, it helps to follow a simple nail aftercare routine at home. You can focus on gentle filing, regular cuticle oil, and “rest days” without polish so your natural nails can recover and rebuild strength. For an easy step-by-step routine you can follow between manicures, check out these helpful after-care tips for healthy nails.
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What are brittle nails?
Brittle nails are nails that chip, peel, split, or break very easily. You might notice your nails flaking at the tips, snapping when they get a little longer, or splitting down the middle.
In medical terms, this is often called onychoschizia (splitting) or onychorrhexis (long, vertical splits), and it is very common, especially as we get older. The good news is that many causes are lifestyle-related, so small changes can make a big difference.
If your nails suddenly change or feel painful, always speak with a doctor to rule out anything more serious.
Main causes of brittle nails
Daily habits and “wear and tear”
Many cases of brittle nails come from simple everyday habits.
Repeated wetting and drying (hand washing, dishes, cleaning) strips moisture from the nail plate, which makes nails thinner and more likely to break.
Long-term “wet work” plus exposure to detergents and soaps has been linked to more brittle, fragile nails over time.
Strong solvents in some nail polish removers dehydrate the nail and can lead to dryness and brittleness.
Chemicals and salon treatments
Your manicure routine may also be part of the problem.
Acetone-based removers can dry out the nail plate, cuticles, and surrounding skin, which can cause dry, splitting, or peeling nails.
Prolonged soaking in acetone to remove gel or similar systems has been associated with nail splitting, white spots, and thinning nail plates.
Repeated use of harsh nail products and aggressive filing or scraping can damage the nail surface and make it more fragile.
Aging
As we age, nail plates tend to grow more slowly and lose some strength. Studies show that older adults are more likely to notice nails that break or peel because of reduced hydration and slower growth.
Health conditions and deficiencies
Sometimes brittle nails point to something going on inside the body.
Dry, splitting nails can be linked to anemia or iron deficiency.
Thyroid disorders (especially low thyroid) are also associated with brittle nails in some people.
Certain skin conditions, like psoriasis or eczema, can involve the nails and cause roughness and fragility.
Biotin (vitamin B7) deficiency is rare, but when it happens, it can show up as brittle nails and hair loss. That is why doctors sometimes check your blood or overall health if your nails change a lot and do not improve with home care.
How to treat brittle nails at home
Step 1: Protect nails from water and chemicals
Start by reducing the triggers that are drying and stressing your nails.
Wear rubber or nitrile gloves for dishes, cleaning, and any “wet work” to cut down on water exposure and detergents.
Limit long soaks in hot water (baths, cleaning) that leave nails soft and weak.
Switch to a gentle, non-acetone remover when possible, and keep soak time as short as you can.
Give your nails “rest days” with no polish or treatments so the nail plate can rehydrate.
Step 2: Moisturize nails and cuticles
Dry nails need moisture just like dry skin.
Use a rich hand cream or nail oil on your nails and cuticles at least once a day, ideally after washing your hands and again at night.
Look for ingredients like glycerin, plant oils, or ceramides that support long-lasting hydration.
Massage the product into the cuticle area, because a healthy cuticle line helps protect the new nail as it grows.
If you love press-on nails, this hydration step is especially helpful between sets, so your natural nails stay comfortable under your manicure.
Step 3: Gentle nail care routine
Handle your nails with a lighter touch.
Keep nails trimmed to a practical length while they recover, since long nails are easier to catch and break.
File in one direction with a fine file instead of sawing back and forth, which can cause tiny splits.
Skip metal tools under the nail edge, and avoid scraping off polish or products, which can strip the surface.
Avoid biting or picking at your nails or cuticles, as this can cause trauma and infection.
Step 4: Support from the inside
Your nails are made of keratin, a type of protein, so your diet matters.
Getting enough protein helps your body build strong nail plates.
Iron rich foods (like beans, leafy greens, or meat) can help if you have an iron deficiency related to brittle nails, but always ask a doctor before starting supplements.
Biotin supplements are often used for brittle nails, and small studies show improved thickness and hardness at a dose of about 2.5 mg per day for several months.
Because these studies are limited, talk with your healthcare provider before starting any new supplement, especially if you are pregnant, nursing, or on other medications.
Preventing brittle nails long-term
Once your nails start to feel stronger, you want to keep them that way.
Simple daily habits that help
Moisturize hands, nails, and cuticles after washing and before bed.
Wear gloves for cleaning, dishes, or any harsh product use.
Choose gentle removers and reduce long acetone soaks whenever possible.
Keep nails at a practical length and avoid very sharp points that catch easily.
Build in “naked nail” days so your nail plate can breathe and rehydrate.
How Glamnetic can support your nail health
Nail Strengthener
Description (Nail Strengthener):
Stronger nails. Every single time.
Enjoy healthy-looking nails after every manicure with the Glamnetic Nail Strengthener. This essential treatment helps reinforce weak nails, supports recovery between applications, and keeps your natural nails looking smooth, strong, and polished. With a fast-drying, nourishing formula, it gives you the freedom to switch up your nail looks whenever you want, without stressing about breakage, splitting, or damage. A true must-have for any at-home mani routine.
Key Features
Strengthens and supports natural nails between applications
Helps reduce breakage and visible weakness
Fast-drying, lightweight, nourishing formula
Ideal for ongoing nail care and maintenance
Vegan & cruelty-free
Size: 10 mL / 0.34 fl. oz.
2-in-1 Cuticle Oil
Description (2-in-1 Cuticle Oil):
Wake up to perfectly polished cuticles.
Refresh and care for your nails overnight with Glamnetic’s 2-in-1 Cuticle Oil + Tool. This multitasking essential pairs a deeply nourishing oil with a built-in pusher to soften, condition, and gently push back cuticles for a clean, refined look. Powered by a blend of Sunflower Seed Oil, Jojoba Seed Oil, Chamomile Flower Oil, and Hyaluronic Acid, the lightweight formula absorbs beautifully while you sleep, so you wake up to softer cuticles and healthier-looking nails that last all day.
Glamnetic Tip: Apply before bed for best results. Let the 2-in-1 Cuticle Oil + Tool work overnight for visibly smoother, hydrated cuticles by morning.
Key Features
2-in-1 design with nourishing cuticle oil + built-in pusher
Softens, hydrates, and conditions dry cuticles
Supports healthier-looking nails with regular use
Lightweight, fast-absorbing formula
Ideal for nightly nail care routines
Caution
May cause an allergic skin reaction. If irritation occurs, discontinue use and consult a physician.
Ingredients
Diisostearyl Malate, Phenyl Trimethicone, Caprylic/Capric Triglyceride, Polyisobutene, Helianthus Annuus (Sunflower) Seed Oil, Simmondsia Chinensis (Jojoba) Seed Oil, Anthemis Nobilis (Chamomile) Flower Oil, Sodium Hyaluronate, Butylene Glycol, Water (Aqua/Eau), 1,2-Hexanediol, Ethylhexylglycerin, Fragrance (Parfum), Phenoxyethanol
Discover more products here - Glamnetic
FAQ:
What are brittle nails?
Brittle nails, also known as onychorrhexis, refer to nails that are fragile, easily breakable, and often split vertically or peel in layers. They can affect anyone but are more common in women and older adults due to natural aging processes. Symptoms include ridges, flaking, or nails that chip easily, which can be both cosmetic and uncomfortable.
What causes brittle nails?
Brittle nails can stem from various factors, including:
Environmental and lifestyle factors: Frequent exposure to water (like dishwashing), harsh chemicals in cleaning products, or dry climates can strip moisture from nails. Overuse of nail polish removers containing acetone also dehydrates nails.
Nutritional deficiencies: Low levels of biotin, iron, or protein in the diet may contribute, though evidence is mixed. A balanced diet with fruits, vegetables, and whole grains helps maintain nail health.
Medical conditions: Underlying issues like hypothyroidism, anemia, psoriasis, or fungal infections can weaken nails. Aging naturally thins nails, making them more brittle.
Habits: Nail biting, picking, or using nails as tools (e.g., opening cans) exacerbate the problem.
How can I treat brittle nails?
Treatment focuses on hydration, protection, and addressing root causes:
Moisturize regularly: Apply hand lotions with lanolin or alpha-hydroxy acids after washing hands. Nail-specific oils or creams can help restore moisture. Try "nail slugging" by coating nails with a thick ointment like petroleum jelly overnight.
Use nail strengtheners: Over-the-counter hardeners or lacquers can fortify nails temporarily, but avoid those with formaldehyde if you have sensitivities.
Supplements: Biotin supplements (around 2.5 mg daily) may strengthen nails in some cases, but consult a doctor first as results vary.
Professional care: If linked to a medical condition, treatments like prescription antifungals or thyroid medication might be needed.
For natural options, rosehip oil can be applied to nails and cuticles for hydration:
How can I prevent brittle nails?
Prevention involves simple daily habits to protect and nourish your nails:
Protect from damage: Wear gloves when doing chores involving water or chemicals. Limit manicures and give nails breaks from polish.
Maintain good hygiene: Keep nails trimmed short and filed in one direction to avoid snags. Avoid biting or picking.
Stay hydrated and nourished: Drink plenty of water and eat a diet rich in vitamins (e.g., biotin from eggs, nuts; iron from leafy greens). Avoid extreme temperatures that dry out skin and nails.
Limit harsh products: Use acetone-free removers and moisturize after removing polish.
Ready to transform your brittle nails into strong, resilient ones? Discover the power of Glamnetic's Nail Strengthener and 2-in-1 Cuticle Oil today.
