A nail condition that occurs after some systemic illness or trauma. They are horizontal depressions, usually across all nails, growing out from the matrix where the keratinisation process has been disturbed.
Beau’s Lines
![Beaus Lines](https://nailknowledge.org/wp-content/uploads/2021/04/Beaus-Lines-1.jpg)
A nail condition that occurs after some systemic illness or trauma. They are horizontal depressions, usually across all nails, growing out from the matrix where the keratinisation process has been disturbed.