How fast do your nails grow in a week?
Thus, in humans, the nail of the index finger grows faster than that of the little finger; and fingernails grow up to four times faster than toenails. In humans, nails grow at an average rate of 3 mm (0.12 in) a month.
After a nail separates from the nail bed for whatever reason, it will not reattach. A new nail will have to grow back in its place. Nails grow back slowly. It takes about 6 months for a fingernail and up to 18 months for a toenail to grow back.
- Nails start in the nail root, hidden under the cuticle. When cells at the root of the nail grow, the new nail cells push out the old nail cells. These old cells flatten and harden, thanks to keratin, a protein made by these cells. Cuticles help to protect the new nail as it grows out from the nail root.
- Once your nail separates from its nail bed, for whatever reason, it will not reattach. Nails grow back slowly. It takes about 6 months for fingernails and up to 18 months for toenails to grow back attached to the nail bed." A damaged matrix may cause the nail to grow back somewhat deformed or have a ridge.
- In most cases, fallen toenails do grow back after fungal infection or injuries. But, it might take a long time to do so. It takes 6 months to a year for an injured toenail to grow back after detaching. The nail grows from the matrix which is under the nails.
Updated: 21st November 2019