How to trim your toenails so they never grow in
Most ingrown toenails start with one simple cause — incorrect trimming. And the correct technique comes down to just three rules.
Rule 1: a straight line, not a crescent
A rounded shape suits fingernails — not toenails. A toenail should be cut almost straight across, without digging into the corners.
A rounded corner dips into the skin and, as it grows, cuts into it — that is how ingrowth begins. Soften the corners slightly with a file, but do not cut them away.
Rule 2: length — level with the toe tip
A nail trimmed too short lets the skin creep over its edge. The nail then grows into that skin.
The guide is simple: the free edge should be level with the tip of the toe, or extend about 1 mm beyond it.
Rule 3: the tool and the moment
- Use scissors or clippers with straight blades — not curved manicure ones;
- Trim after a bath when the nail is softened, or dry if the nail is brittle (both are fine — the point is no splitting);
- Don’t try to cut the whole edge in one go — several small cuts are safer.
When good technique is no longer enough
If the nail has already grown in, is deformed or keeps thickening, trimming technique will not save it. That calls for podiatric treatment: a specialist restores the correct nail shape and teaches you how to keep it.
If you have diabetes, we advise against trimming your own toenails at all — this should be done by a podologist using atraumatic technique.