composed of layers of keratin produced by the matrix at its base. When a minor impact or irritation affects this area, tiny air spaces can appear between these layers, creating the whitish appearance visible on the surface.
In most cases, these brands pose no health risks.
The most frequent causes. Microtrauma
The most common cause is a minor impact or pressure on the nail . This can happen after bumping your finger against an object, after an overly aggressive manicure, or when pushing back cuticles.
These micro-traumas temporarily disrupt keratin formation, leading to the appearance of small white spots.
