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Dermatology

Dermatology Dermatology

Alopecia and nail disorders

Hair and nails are structures joined to the skin that help to protect us from the environment, increase sensitivity to touch and, in the case of nails, help us perform precision movements. 

Hair and nails

Both structures are tissues in constant regeneration, that need essential nutritional support (amino acids, trace elements and vitamins) for maintaining their function and structure.

 

Like the skin from which they are derived, both hair and nails are made of the structural protein called keratin, rich in sulphur amino acids such as cystine.

 

Both structures are exposed to constant aggressive external factors (local action of physical and chemical agents, repeated microinjuries, frequent immersion in water, the sun, etc.) and internal factors (stress, fatigue, pregnancy, menopause, etc.).  These can weaken them and, together with inappropriate dietary habits, genetic susceptibility and other endogenous factors, they can impair the structure and characteristics of the hair causing weak, frail hair, with a loss of shine and flexibility that can promote hair loss (alopecia), or cause frail and breakable nails.

 

Hair loss known as common baldness or androgenetic alopecia is due to a genetic susceptibility that strengthens the action of the testosterone hormone in the hair follicles in some areas. 

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