Male pattern hair loss | How to fight Male Pattern Baldness | HealthPick

Male Pattern Baldness

male pattern baldness

Male pattern baldness affects over half of men to some extent over the age of 50 and most men at some stage in their lives. Most affected men do not wish to have any treatment. If required, there are some treatments which can prevent further hair loss and may help hair regrow.

Male pattern baldness is the common type of hair loss that develops in most men at some stage. The condition is sometimes called androgenetic alopecia. It usually takes 15-25 years to go bald. However, some men go bald in fewer than five years.

Typically, at first the hair begins to thin (recede) at the sides (temples). At the same time, the hair usually becomes thin on the top of the head. A bald patch gradually develops in the middle of the scalp. The receding sides and the bald patch on the top (the crown) gradually enlarge and join together, leaving a patch at the front. The patch at the front eventually thins as well.

A rim of hair is often left around the back and sides of the scalp. In some men, this rim of hair also thins and goes to leave a completely bald scalp.

Nearly all men have some hair loss by the time they are in their 60s. However, the age the hair loss starts is variable. About three in ten men aged 30 years and half of men aged 50 years have significant balding.

A similar condition affects women but in a different pattern. In women it tends to particularly affect the top of the head. It may also be a more general thinning of hair all over the head. Hair thinning in women is much more common after the menopause. Around a third of white Caucasian women in the UK have some hair loss once they reach the age of 70.

Hair is made in hair follicles which are like tiny pouches just under the skin surface. A hair normally grows from each follicle for about three years. It is then shed and a new hair grows from the follicle. This cycle of hair growth, shedding and new growth goes on throughout life. The following is thought to occur in men as they gradually become bald:

Affected hair follicles on the scalp gradually become smaller than normal.

As the follicle shrinks, each new hair is thinner than the previous one.

Before falling out, each new hair grows for much less time than the normal three years or so.

Eventually, all that remains is a much smaller hair follicle and a thin stump of hair that does not grow out to the skin surface.

Male hormones are involved in causing these changes. The level of the main male hormone, testosterone, is normal in men with baldness. Cells in the skin of the scalp convert testosterone into another hormone called dihydrotestosterone.

For reasons that are not clear, affected hair follicles become more sensitive to dihydrotestosterone, which causes the hair follicles to shrink. It is also not clear why different hair follicles are affected at different times to make the balding process gradual. It is also not clear why only scalp hairs are affected and not other areas such as the beard or armpits.

No treatment

To become gradually bald is a normal part of the ageing process for most men. No treatment is wanted or needed by most affected men. For some men, baldness can be distressing, particularly if it is excessive or occurs early in life. Treatment may then help.

Wigs

A wig is the traditional option for baldness. Some people find them useful; others find them uncomfortable and not very convincing. For male pattern baldness, they cannot be prescribed on the NHS, so they may be expensive.

Scalp surgery

Techniques such as hair transplantation, scalp flaps and other procedures have been used for a number of years. Newer techniques are giving better results. Success rates vary. It is expensive and not available on the NHS.

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