There's a common misconception that balding means there's something wrong with the scalp. But because hair actually starts growing from below the scalp, the scalp itself has little to do with hair fall or hair health. When hair loss occurs because of male genetic hair loss (or any other cause), the blood supply to the area drops because it isn't needed where there isn't any hair. When surgeons transplant new hair, the circulation in the scalp improves as the new hair grows out (in effect recruiting the blood supply it needs).
We generally tell patients that if they shampoo with a good commercial product and use a conditioner once a day, the skin of the scalp should remain moist and well taken care of.You can impact your scalp circulation in a number of ways, some of which may affect your hair indirectly. Things that are bad for the scalp and its circulation include:
Smoking: As shown in ultrasound studies, smoking reduces scalp circulation. Because this occurs with each cigarette, over time smoking may contribute to whatever hair loss is occurring on the head. Most doctors strongly believe this connection, although definitive scientific proof is lacking.
Sun exposure: Repeated sunburns on the scalp may impact structures deep in the scalp causing the hair producing cells to shrink. Combining genetic hair loss and intense ultraviolet light may speed up the balding process.
Skin cancer: Skin cancer comes in three different types, two of which can be deadly by spreading throughout your body (malignant melanomas and squamous cell cancers). These cancers almost always appear in sun exposed skin. Melanomas can rapidly spread beyond the confines of the local area and they can be very small flat, mole like, frequently black tumors. The third type of cancer, basal cell cancer) usually remains local but it often produces ulcers on the skin, and they can grow to a significant size. When balding occurs, the scalp is exposed to the impact of ultraviolet light from direct sunlight, and the skin changes from a smooth, uniform colored skin, to a skin that has spots and discolorations throughout. Hair protects the scalp from direct sunlight and can produce enough shade to reduce the risks of skin cancers.
Dermatologic conditions: A variety of conditions can impact the skin and scalp.
Folliculitis: This is an infection of the hair follicles. It appears as acne or red or white bumps on the scalp skin and may have to be treated with soaks, antibiotics, or a minor surgical incision. It should never be picked or scratched, as this may increase the incidence of permanent scarring and may spread the infection from an infected hair follicle to one that is not infected. Folliculitis rarely causes permanent hair loss, but it may cause the hair to prematurely enter the telogen (sleep) phase of the hair cycle.
Chlorine and salt water: Everyday swimming in chlorine pools or salt water without shampooing and conditioning afterward has the ability to cause hair and scalp damage from the heavy salt or chlorine exposure. The salt can dry the scalp.
Many patients believe that dandruff may cause balding, but this is not true. Other patients report having an itchy or tingling scalp, and they believe it's a precursor of the balding process. This complaint is actually quite common and may be a sign of early genetic hair loss.
Author Resource:
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