Hair loss affects both men and women. It is normal for some hair to fall out each day. Hair loss can have multiple causes ranging from hormonal changes, stress, iron deficiency to medicine induced hair loss. Male-pattern baldness is the most common form of hair loss in men. It is of genetic predetermination with the earliest changes occurring on the front sides of the scalp and at the crown of the skull.
Women can experience hair loss during pregnancy and due to other common conditions, such as thyroid disorders and anemia. Another reason for hair loss is due to immune system disorder. Normally, the immune system helps protect the body against disease and infection. However, in patients with immune system disorder, the immune system attacks against the hair follicles, causing hair loss.
Three Phases of the Hair Growth
Androgens begins to slowly kill follicle:
The most common treatment for hair loss is minoxidil solution alone or in combination with other active ingredients can be used in both male and female patients. It is available at concentration ranging from 2-9%, generally applied twice daily. Minoxidil has been shown to promote increases in both regrowth and thickness. It dilates small blood vessels around the scalp stimulating hair growth. Maximum benefit is usually seen after several months of use.