Not to be confused with Beau's lines (which are horizontal grooves), longitudinal grooves are vertical grooves that are caused by trauma to a specific area of nail growth. This could be via a cyst or wart.
With topics ranging from private label retail to proper mix ratios, nailsmag.com’s 10 most-viewed questions cover a lot of ground.
Onychatrophia is a wasting away of the nails that is generally permanent.
Lichen planus is an inflammatory skin condition that can affect the nails as well as most other parts of the body.
Paronychia is an infection that occurs when there is breakdown in the seal between the skin and the nail plate.
Common but painful, ingrown nails are often the result of poor care — and infection may follow.
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