Hair Loss and Treatment
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M. Ansari
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Hair Loss
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Natural shedding of hair accounts for normal
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daily0001
hair0100
loss.
Recent measurements
indicate that the average rate of hair loss is
closer to 35 to 40 hairs per day
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Alopecia
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• Abnormal hair loss
• Most common types
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Androgenic alopecia
Alopecia areata
Postpartum alopecia
Over 63 million people in our country suffer
from abnormal hair loss
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Emotional impact
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• How perceived by others
– Recent study showed that compared to men
who had hair, bald men were PERCEIVED as
having a number of characteristics
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Less physically attractive – by both sexes
Less assertive
Less successful
Less personably likable
Older
– By about 5 years
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Emotional impact
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• Men with severe hair loss
– Negative social and emotional effects
– More preoccupation with baldness
– Make effort to conceal or compensate for hair loss
• Women with hair loss
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– Devastating- women try to hide it from everyone
including their doctor
– Causes anxiety – women feel helpless and less
attractive
Androgenetic Alopecia
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• CAUSE: a combination of heredity,
hormones and age causes progressive
shrinking or miniaturization of terminal
hair, converting it to vellus hair
• Known as male pattern baldness in men
• Affects 40 million men in U.S.
• Affects 20 million women in U.S.
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Androgenetic Alopecia
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• Can begin as early as teens
• Frequently seen by age 40
• By age 35, almost 40 % of men & women
show some degree of loss
• Gene can be inherited from either side of
family
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Alopecia Areata
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• Sudden loss of hair in round or irregular patches;
may occur on scalp or anywhere else on body. It’s
highly unpredictable; affects almost 5 million
people in the U.S.
• Immune system attacks hair follicles
• Begins with one or more small, bald patches
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– Can progress to the total scalp hair loss (alopecia
totalis) or complete body hair loss (alopecia universalis)
Alopecia Areata
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• Occurs in males and females of all ages and
races
– Can begin in childhood
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• Scalp shows no sign of inflammation
• No obvious signs of skin disorder or disease
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Postpartum Alopecia
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• Temporary hair loss at conclusion of
pregnancy
• Growth cycle generally returns to normal
within one year after the baby is delivered
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Hair Loss Treatments
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• Minoxidil
– Topical medication applied to scalp twice daily; proven
to stimulate hair growth
– Sold over the counter in 2 strengths: 2% regular & 5%
extra strength; no known negative side effects
• Finasteride
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– Oral prescription for men only
– Side effects include weight gain & loss of sexual
function
Summary
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• Genetics, age hormonal changes, and the
immune system are factor of abnormal hair
loss
• There are only 2 approved hair loss
treatments
Next lesson: disorders of the hair
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