Peeling nails are nails whose tips separate into thin, horizontal layers, a little like flaky pastry. The top layer lifts and flakes off, leaving the nail thin, rough and likely to tear. It is a common form of nail brittleness, and it usually has a simple, everyday cause.
Why nails peel
A nail is made of many thin layers of the protein keratin, held together by natural fats and moisture. Anything that loosens those layers lets them come apart at the free edge.
External causes (the most common)
| Cause | What happens |
|---|---|
| Frequent hand washing, washing dishes, swimming | Nails swell with water and shrink as they dry, again and again |
| Detergents, cleaning sprays, sanitizer | Remove the oils that bind the layers |
| Acetone and frequent polish removal | Dry the nail plate |
| Peeling off gel or regular polish | Takes the top layers of nail with it |
| Rough filing or heavy buffing | Frays and thins the edge |
| Using nails as tools, or tapping them | Repeated small impacts split the tip |
| Biting and picking | Tears the layers |
Internal causes (less common)
Low iron, thyroid problems and some skin conditions can cause splitting nails. A useful clue: if your fingernails peel but your toenails are fine, the cause is very likely external.
How to care for peeling nails
Stop the split from spreading
- Clip or file the nail back to just below the peeled area, if you can.
- File the edge smooth with a fine-grit file, working in one direction. See How to File and Shape Your Nails.
- Do not pull at the loose layer.
- Seal the tip with a clear base coat or strengthening polish, and run the brush along the free edge.
Protect
- Wear cotton-lined rubber gloves for wet work. See How to Protect Your Nails During Household Work.
- Keep nails short and rounded until healthy nail has grown through.
- Use a non-acetone remover, and remove polish as seldom as you can. See How to Remove Nail Polish at Home.
- Avoid gel, acrylic and dip manicures for a few months.
Moisturize
- Massage hand cream, ointment or oil into the nails and cuticles after every wash and at bedtime.
- Look for ingredients such as petrolatum, lanolin, shea butter, glycerin or plant oils.
- For an overnight treatment, apply a thick layer and wear cotton gloves.
Do not buff the peeling away
It is tempting to buff a flaking surface smooth. A few gentle strokes with a very fine buffer are fine, but heavy buffing removes more layers and makes the nail thinner.
Peeling after gel or acrylic
Nails often peel after enhancements, mainly because of removal. Scraping, peeling or over-filing strips layers from the nail plate. The damaged nail has to grow out. Nail Care After Removing Acrylic or Gel Extensions gives a recovery plan.
How long recovery takes
Fingernails grow about three millimeters a month. A peeled tip usually grows out in two to four months, and a whole nail in about six. Stay patient and consistent. The new nail at the base should look smoother within a few weeks.
Preventing peeling in the future
- Dry your hands and nails thoroughly after washing.
- Apply moisturizer every time.
- File in one direction, with a fine file, when nails are dry.
- Use a base coat under polish, and never peel polish off.
- Keep a file with you, and smooth snags at once.
When to see a doctor
See a doctor if peeling continues after three to four months of careful protection, if toenails are affected as well, or if you notice discoloration, thickening, pitting, lifting or pain. For more on fragile nails in general, read Brittle Nails: Causes and Everyday Care Tips.
Related on ArniSun
- Brittle Nails: Causes and Everyday Care Tips
- Nail Care After Removing Acrylic or Gel Extensions
- How to File and Shape Your Nails
- How to Remove Nail Polish at Home
- How to Protect Your Nails During Household Work
Sources and further reading
Frequently asked questions
Is nail peeling a sign of a vitamin deficiency?
Usually not. Water, chemicals and physical damage are far more common causes. Iron deficiency is one possible internal cause, which a blood test can check.
Should I cut off peeling nails?
Trimming or filing back to below the peeled part helps to stop the split from traveling further. Then keep the edge smooth and sealed.
Does drinking more water stop nails peeling?
Good hydration is healthy, but nails peel mainly because of what touches them from outside. Gloves and moisturizer do more than extra water.