Miniaturisation Of A Hair Follicle

Hair loss or hair thinning is generally a slow process and takes time to become obvious and cosmetically visible when androgenic alopecia or male pattern baldness starts; the initial signs are the miniaturisation of the hair shaft

Miniaturisation describes the progressive thinning of the hair shaft; the hair follicle producing healthy hairs starts to reproduce thinner, shorter, finer, and weaker hairs after every growth cycle finishes

Hair Follicle Miniaturisation

Hair Follicle Miniaturisation

As each hair shrinks or atrophies the coverage and thickness of each hair reduces and the scalp becomes more visible over the head, giving the appearance of hair loss

The miniaturisation process linked to Male Pattern Baldness is a genetic disposition that can be inherited from either side of the family, maternal or paternal and considered linked to DHT, dihydrotestosterone

Over time the growth cycle reduces until the hair follicle stops producing hairs; along the hair line and temporal areas resulting in a recession; a receding hair line. Miniaturisation can also occur over the crown; initially the coverage can be maintained but a thinning of the hair

Miniaturisation normally occurs in the traditional areas of male pattern baldness, over the top of the scalp, known as the recipient area; but can also occur around the sides and back of the scalp, when discussing surgical hair restoration, known as the donor area

The donor area provides the hair that can be transferred to the recipient area to increase hair coverage and is not affected by the male pattern baldness gene; and if strong will continue to grow for a person´s life time

Miniaturisation can occur in the donor area; if the percentage of miniaturisation is too high then it will affect how much hair can be transferred and used in surgical hair restoration; how much coverage with a natural looking density can be achieved

The most common signs of miniaturisation in the donor area is around the ears and nape of the neck, where either the density of hair and or the calibre of hair is weaker but this can rise up into what is known as the donor area safe zone

In extreme examples the % of miniaturisation can be higher than the % of genetically strong hair; this can also be known as DUPA. Treatment can be used on the right candidate and can improve the quality of the hair but this does not mean it should be used for hair restoration

Harvesting the hair can increase the probability that when transplanted the hair follicle with die due to the trauma of the procedure and this will impact of the result of the hair transplant

Prior to undergoing a hair transplant the donor area should be checked, the donor hair density measured and the % of miniaturisation measured, much above 10% miniaturisation caution should be taken

 

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