How to Prevent Balding
Think
there's no growing back? Not true -- here's what to do about hair loss.
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By age 30, half of men start to lose the
thick mop of hair they had as a teen and throughout their 20s. The hairline
begins a steady backward march, and more of the scalp shows through on the top
of the head.
Your genes largely determine whether you'll
be one of these men. But Adam Penstein, MD, chief dermatologist at North
Shore-Long Island Jewish Health System in Lake Success, N.Y., says your genes
don't necessarily get the final word. You can save what you've got and (at
least in some cases) recover some of what you've lost with one of two
medications: a foam or lotion called minoxidil (the brand name is Rogaine) or a
prescription pill, finasteride (Propecia).
Foams and Lotions to Prevent
Hair Loss
"Minoxidil works well for men who don't
want to take a pill and who want to stall or prevent hair loss," Penstein
says. "There's little downside to it, other than having to use it twice a
day indefinitely. You don't even need a prescription."
Minoxidil seems to enlarge hair follicles and
stimulate hair growth, though researchers don't fully understand how. Up to 7
in 10 men who take minoxidil say they regrow some hair. Men who try it need to
be patient because sometimes results can take four months.
Even when it works, though, it can irritate
the scalp. "That's the only real side effect from minoxidil,"
Penstein says, of the itchiness, flaking, and redness a few men develop. Those
with very sensitive scalps may have problems with even a foam formulation and
might want to try finasteride.
Pills to Prevent Hair Loss
Finasteride blocks the enzyme that converts
testosterone to dihydrotestosterone (DHT), a hormone considered the major
culprit in male pattern baldness. DHT thins the hair of men who have inherited
a baldness gene because it shrinks genetically sensitive hair follicles until
those follicles can no longer grow hair. Finasteride slows hair loss in as many
as 90% of men, and most men who take it regrow some hair.
You can use minoxidil and finasteride
together, often for better results. Whether you use one or both, Penstein says,
you must stick to that treatment.
"You're not curing the problem. You're
just keeping it at bay, and that takes commitment," Penstein says.
"The moment you stop, you start losing hair again, sometimes faster than
before.
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