- By the dedicated team of editors and writers at Newsletter Station.
Our fingernails may seem like small, insignificant parts of the body, but they protect the fingertips and can also provide clues about our health. Healthy nails are generally smooth, intact, and consistent in color and texture.
Everyday habits can work against that. Frequent exposure to water and cleaning products, nail biting, aggressive manicures, and using your nails as tools can leave them brittle, split, peel, or separate from the nail bed. Some nail changes are harmless, while others can signal an infection, injury, or underlying health condition.
The good news is that many common causes of nail damage are preventable.
Biting Your Fingernails
Nail biting can leave nails jagged and damaged and may injure the skin surrounding the nail. Biting or picking can also create small breaks that allow bacteria and other germs to enter, increasing the risk of infection.
If you've bitten your nails for years, simply telling yourself to stop may not be enough. Notice when you are most likely to bite—such as while working, watching television, or feeling stressed—and find a replacement habit. Keeping nails trimmed short can also make them less tempting to bite.
Using Your Nails as Tools
Your fingernails aren't designed to open packages, pry objects apart, scrape labels, or pop open cans. Using them this way stresses the nail plate and can cause chipping, splitting, lifting, or injury to the nail bed.
It may take only a second to use a fingernail as a makeshift tool, but repeated damage can take much longer to grow out. Keep an appropriate tool nearby, especially for tasks you do often.
Frequent Gel, Acrylic, or Artificial Nails
Manicures themselves aren't necessarily harmful, but repeated use of artificial nails can contribute to thinning, brittleness, peeling, or cracking.
With acrylic nails, the natural nail is often filed to create a rough surface so the product adheres. Repeated applications and touch-ups can leave the natural nail thinner and more fragile. Gel manicures can also cause brittleness, peeling, and cracking, particularly with repeated use or aggressive removal.
If you enjoy artificial or gel nails, consider taking breaks between applications. Don't peel or pick off the product, since doing so can remove layers of the natural nail.
Also choose a salon that properly sterilizes its instruments, and avoid aggressive cuticle trimming. The cuticle helps protect the area around the nail from infection.
Too Much Water and Harsh Chemicals
Frequent handwashing helps prevent illness, but repeated or prolonged contact with water can contribute to splitting nails. Cleaning products and other harsh chemicals can further dry and irritate the nails and surrounding skin.
You don't need to wash your hands less to protect your nails. Instead, moisturize your hands, nails, and cuticles after washing, and wear protective gloves when doing dishes, cleaning, or working with strong chemicals.
Cotton-lined rubber gloves can provide a barrier while also making cleaning tasks more comfortable.
Picking at Cuticles or Hangnails
Cuticles serve a purpose: they help seal the area between the nail and surrounding skin. Cutting or aggressively pushing them back can make it easier for bacteria and other germs to enter and cause infection.
If you have a hangnail, don't pull it off. Carefully clip the loose portion with clean nail scissors or clippers, then moisturize the area.
Overusing Nail Polish Remover
Frequent exposure to nail polish remover can contribute to dry, brittle nails. Acetone removes polish effectively but can also be drying.
If your nails are already peeling or breaking easily, consider reducing how often you remove and reapply polish. Give your nails occasional breaks, and apply moisturizer or petroleum jelly to your nails and surrounding skin.
Neglecting Basic Nail Care
Nails don't require an elaborate routine to stay healthy. A few simple habits can prevent unnecessary damage.
Keep fingernails clean and dry. Trim them with clean clippers or scissors, cutting almost straight across and gently rounding the corners. When filing, move the file in one direction rather than aggressively sawing back and forth. Moisturizing after trimming can help keep nails flexible and reduce splitting.
Also keep your manicure tools clean. If you share tools with someone else, make sure they are properly disinfected.
Assuming Every Nail Problem Is a Nutrition Problem
A balanced diet supports overall health and provides the nutrients your body needs to build healthy nails. Protein is especially important because nails are made primarily of keratin, a protein.
However, brittle or changing nails don't automatically mean you have a vitamin deficiency. Nail problems can have many causes, including repeated exposure to water or chemicals, trauma, medications, infections, skin conditions, and other health issues.
Instead of taking a supplement just because your nails are weak, talk with a healthcare professional if the problem persists. Some people may benefit from supplements, but they aren't a universal solution for brittle nails.
Ignoring Changes That Don't Go Away
Not every nail imperfection is cause for concern. For example, vertical ridges are common and can become more noticeable with age. White spots can also result from minor injuries and usually grow out with the nail.
Other changes deserve closer attention. Contact a healthcare professional or dermatologist if you notice persistent changes in nail color, shape, thickness, or texture; nails separating from the nail bed; swelling or pain around a nail; bleeding; or nails that stop growing.
Also evaluate a dark streak, significant discoloration, or a sudden change in several nails rather than covering it up with polish.
A Simple Routine for Healthier Nails
You don't need complicated products to care for your fingernails better. Start with a few basics:
Keep nails clean and dry.
Moisturize your hands, nails, and cuticles regularly.
Wear gloves when cleaning or doing dishes.
Don't bite, pick, or pull at your nails or cuticles.
Use your fingertips for their intended purpose—not as tools.
Keep manicure tools clean.
Give gel and artificial nails occasional breaks.
Avoid peeling off polish or artificial nail products.
Watch for nail changes that persist or worsen.
Healthy nails are about more than appearance. Protecting them from repeated trauma and harsh exposure can help prevent many everyday problems, while paying attention to unusual changes can help identify issues that deserve professional attention. A simple, consistent nail-care routine is often more useful than constantly adding new products to your bathroom cabinet.
