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Problems
in perming and straightening
In some countries, up to 70% of women have permed
hair, in order to give their hair curl and body.
In expert hands, perming can create wonderful
effects. And it is a tribute to the skill of stylists
and technicians that so many perms are successful
and attractive, despite all the complexity of
the chemistry and science of perming.
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Unfortunately, not all hair is suitable for perming
- and so many clients with thinning hair seem
to want a perm! - let alone the delicate question
of whether the style that has charmed the client
will in fact suit her. The table below shows some
problems that can arise with perming.
- Although some of the disulphide linkages reform
during neutralisation, a proportion fail to
do so and remain broken. The hair is thereby
weakened.
- Where the cuticle scales fail to close up
tightly again after perming, the hair is left
with a roughened surface and weathers more quickly.
- Incorrect application of perming, straightening
or relaxing solutions can dissolve the hair
fibres or lead to breakage, usually quite close
to the scalp. This kind of breakage almost never
happens on the same day as perming. It is believed
to be the result of either over-perming or poor
neutralization.
Changing
hair color
If ever there was a mark of our desire to change
the way other people see us, changing hair color
has to be it! For example, for thousands of years
Indian ladies have put red highlights into their
dark hair using pure henna, a semipermanent
dye prepared from the Egyptian privet (Lawsonia
inermis), a flowering shrub that grows in their
country. |
