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Hair types and hair growth/loss

Harley Street HT Clinics

Harley Street HT Clinics

Valued member
There are three major types of ethnic hair characteristics. Asian, African and Caucasian. People of Asian descent will have a lower hair density, which remains straight along the hair shaft. The hairs are coarse and will give a thicker looking coverage. Ethnic African hair has the characteristic of irregular curling along the length. This gives high coverage and the appearance of high hair density. Although the hair is fine diameter. Caucasian hair is between these two extremes. It can show greater extremes or differences in variation. Individuals with blonde hair have the highest number of hair follicles over the head. Redheads on average have the fewest number, although have coarser individual hairs.

At any given time roughly 90% of your hair is in the growth phase, meaning it is visibly growing on our head. The remaining 10% is in a resting phase, not growing on the head. Anagen is the growth phase of the hair follicle. It can last between two to three years. With Telogen being resting phase. This cycle lasting only three to four months.

During the growth phase, your hair can grow a few cm´s per month. At the end of the resting phase, the hairs fall out. The new hair then enters the growth phase. This cycle is maintained by a constant growing and shedding of hair. The result of this is the average person shedding from 50 to 100 hairs each day. On average there are 100,000 – 150,000 follicles on the scalp. If there are fewer than 90,000 hairs on the scalp, the hair density is considered thin.

If there is a change to the hair growth cycle, meaning more hair in the resting phase and less in the growth, over time hair loss or thinning starts to become visible. This will result in either temporary or permanent hair loss. Hair loss can be caused by a variety of problems. Besides hereditary hair loss condition called androgenic alopecia being the most common. Male Pattern Baldness (MPB) in men and Female Pattern Baldness (FPB) in women. This form of hair loss is passed down genetically from family members. There is a predestined potential this gene will be inherited by one or more family members. Genetic hair loss can come from either the maternal or paternal family members.

Hair loss conditions range from androgenic alopecia, male and female genetic hair loss, to traction alopecia, scarring alopecia and alopecia areata, and telogen effluvium. Medical treatments may affect your hair growth can include acne medications, antibiotics, anti-coagulation, chemotherapy, and antidepressants. Medications, such as blood thinners, high doses of vitamin A, and steroids, taken to help build muscle, called anabolic steroids. Malnutrition, crash diets, and poor eating habits, protein deficiencies can also lead to hair loss.

While the pattern of hair loss will be different depending on the underlying cause of the hair loss, hereditary hair loss follows a common pattern. The stages or patterns of hair loss are categorised in two hair loss scales for men and women. The Norwood Scale classifies degrees of hair loss stages for men. The lower the number (NW2) represents minor hair loss and the higher the number (NW7) represents advanced hair loss. The Ludwig Scale is the female pattern hair loss Scale with similar representations to the hair loss stage.

It´s important to research the right treatment for the condition. Not what you would ideally like, but what is best to deal with the hair loss cause and condition. There are a variety of cosmetic, medical, therapies, and surgical options to research. All have pros and cons depending on the hair loss type, and the goals.
 

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