Cutting your nails correctly comes down to a few key techniques: soften them first, use the right tool, and shape fingernails and toenails differently. Getting these basics right prevents painful problems like ingrown nails, splitting, and infections.
Soften Your Nails Before You Cut
The best time to trim your nails is right after a bath or shower, when the nail plate is already soft and pliable. If that’s not an option, soaking your hands or feet in lukewarm water for a few minutes works just as well. Soft nails cut more cleanly, with less cracking or splintering at the edges. Dry, brittle nails are more likely to tear unevenly or split down into the nail bed.
Choosing the Right Tool
Standard lever-style clippers are the most common choice, and they work well for most fingernails and toenails of average thickness. If your toenails are thick or hard, plier-style nippers give you more cutting force and control. Nail scissors apply less pressure than either option, making them a better fit for thin or delicate nails and for shaping curves precisely. Use smaller clippers or scissors for fingernails and larger ones for toenails.
Whatever tool you use, it needs to be sharp. Dull blades crush the nail instead of cutting it, which leads to jagged edges and splitting. After each use, wash your clippers in warm water with a little detergent, rinse them under hot running water, and dry them with a lint-free cloth. If they come into contact with broken skin or blood, disinfect or replace them.
Fingernails: Trim Straight, Then Round
For fingernails, cut straight across the top edge first, then gently round the corners into a soft curve. This two-step approach gives you a natural, even shape without weakening the nail’s structure. Avoid cutting deep into the corners or trimming nails so short that the fingertip skin extends past the nail edge. You want the white free edge to still be visible, roughly a millimeter or so of it.
Take small cuts rather than trying to clip the entire nail in one squeeze. Working in several smaller clips gives you much more control over the final shape and reduces the chance of cutting too short on one side.
Toenails: Keep Them Straight Across
Toenails follow different rules. Cut them straight across and do not round the corners. The way you trim directly affects how the nail grows back, and rounding the edges of toenails increases the risk of the nail curving into the surrounding skin as it grows. That’s how ingrown toenails start, and they can become genuinely painful and infected.
Keep your toenails even with the tip of your toe. Cutting them shorter than that exposes the nail bed and invites the skin to fold over the nail edge, which also encourages ingrown growth. Resist the urge to dig into the sides of the nail to clean out debris. That causes small wounds in the skin along the nail groove, creating entry points for bacteria.
Filing After Cutting
A nail file smooths out any rough spots left by the clippers and lets you fine-tune the shape. Hold the file perpendicular to the nail tip and move it in one direction only. Sawing back and forth weakens the nail layers, causing peeling and tearing. Start from one side and sweep toward the center, then repeat from the other side. A few gentle strokes per nail is usually enough.
Emery boards work for most people. Glass or crystal files are smoother and longer-lasting, and they’re gentler on nails that are prone to splitting.
Leave Your Cuticles Alone
Cuticles seal the gap between your nail and the surrounding skin, blocking bacteria and fungi from getting underneath. Cutting them removes that barrier and can lead to infection, with symptoms like redness, swelling, pain, and pus around the nail base.
If you prefer a tidier look, gently push cuticles back with an orange stick (a small wooden tool made for this purpose) after softening them in warm water. For dry or cracked cuticles, regular moisturizing with lotion keeps them flexible. But the simplest advice from dermatologists is to leave them alone entirely.
How Often to Trim
Fingernails grow faster than toenails, so you’ll trim them on different schedules. Most people need to cut their fingernails every one to two weeks. Toenails grow roughly half as fast, and trimming every six to eight weeks keeps them at a comfortable length without risking ingrown nails or pressure against shoes.
Your individual rate varies with age, season, and overall health. Nails grow faster in summer and slower in winter. Rather than sticking rigidly to a calendar, check your nails regularly and trim when they start extending noticeably past the fingertip or toe tip.
Special Considerations for Diabetes
If you have diabetes, especially with nerve damage in your lower legs or feet, nail care carries higher stakes. Reduced sensation means you may not feel a cut or an ingrown nail until it becomes a serious wound. Minor injuries to diabetic feet can develop into ulcers or infections that heal slowly.
People with diabetic peripheral neuropathy, the type of nerve damage that causes loss of protective sensation in the feet, often qualify for professional foot care covered by Medicare. This includes toenail management by a podiatrist. If you have any numbness in your feet, thickened nails that are hard to cut, or poor circulation, professional trimming is a safer choice than doing it yourself.