Abstract: The nail unit is composed of the nail matrix, proximal and lateral nail folds, the hyponychium, and the nail bed. The nail matrix is composed of germinative epithelium from which the nail plate is derived. The nail folds surround and protect the nail unit by sealing out environmental irritants and microorganisms through the tight attachment of the cuticle to the nail plate. Several principles of nail care should be observed during nail grooming to maintain normal nail structure. The nail plate is composed mainly of keratin, which is embedded in a matrix of nonkeratin proteins. The dorsal nail plate surface is often filed to remove shine from the natural nail plate at nail salons prior to application of nail products or artificial nails. Allergic contact dermatitis from nail cosmetics is not common and occurs on periungual skin, as well as the eyelids, face, and neck, caused by touching these areas with freshly polished fingernails.
Publication Year: 2022
Publication Date: 2022-02-04
Language: en
Type: other
Indexed In: ['crossref']
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