As with the health of the hair, that of the nails also reflects the health of a person. Taking care of your nails is a necessity, it naturally allows you to maintain good personal hygiene but also to prevent the development of infectious foci. The nail can suffer from several conditions, of which here are the best known. Nail mycosis Nail fungus is caused by fungi, often of the dermatophyte type. Humid environments promote the development of mycoses, such as excessive perspiration, closed shoes, places open to the public. Uncertain personal hygiene, the exchange of personal hygiene materials and a lack of hygiene for the latter accentuate this diffusion. The fungi responsible for this......