Dear Alice,
What exactly does a depilatory do? How does it work? Does hair
grow back thicker and faster than before, like with shaving? For
that matter, if you trim hair with a pair of scissors, does that
also make it grow back thicker and faster? How about plucking with
tweezers?
-Hairy and Curious
Dear Hairy and Curious,
Depilatories cause hair to disintegrate while leaving the roots
intact. Depilatories thus permit hair regrowth. By disintegrating
chemical bonds in the hair shaft, a depilatory turns your hair
into a gelatinous mass, which is then wiped away. Because these
agents dissolve protein, they also affect the skin and can
irritate if left on too long. Two types of depilatories are
available-- the sulfide types are more effective, but their odor
is pungent and they are more irritating. The thioglycolate types
must be left on longer, but they are more easily perfumed and are
not so irritating. There are also wax depilatories, which are
comparable to widespread tweezing. Warm wax is placed on the skin,
allowed to dry, and then peeled off with the hairs attached.
Shaving is a quick, easy and effective method of hair removal, and
it is not true that it causes hair to grow back more abundantly or
rapidly. However, it does leave the cut shaft of hair in place, as
does trimming with a pair of scissors, so regrowth is inevitable.
Tweezing can be painful, but is effective in hair removal. Each
pluck starts another growing cycle in the hair root, so this is
not a permanent method either.
Electrolysis is the only permanent method of hair removal. With
this procedure, the hair bulb is destroyed by an electric current
so that hair cannot regrow. However, electrolysis may be
complicated by temporary irritation from the procedure or later,
by pitlike scarring. Also, incomplete destruction may allow hair
to grow back. As with everything, the quality of the results
depends on the skill of the operator; both cost and skill vary,
but not necessarily in tandem.
- Alice
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