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 Damaged Hair - Facts And Corrections
May, 25 2005
Damaged hair can have less elasticity than
normal hair, on the surface (cuticle) as well
as in the fibre stem (cortex). It is rough and
straw-like to the touch and is brittle, difficult
to comb and tends to split at the ends.
The cause can be divided into two groups:
_ Mechanical damage to the hair shaft
_ Low-quality combs, brushes, scissors and
hair accessories can cause mechanical
damage to the hair. The protective cuticle
layer becomes increasingly rough and is
broken down. The result is often split
ends.
_ If the hair is wet, swollen and soft, combing
poses a risk of over-stretching.
_ Rubbing of the hair during towel-drying is
an added burden to the cuticle layer and
can lead to over-stretching.
_ Thermal burdens such as hot blow-drying
can lead to rapid evaporation of water
and to extreme physical stress on the
structure of the hair. Rapid drying makes
the hair brittle, unruly and lacking in elasticity.
Note: Mechanical damage,
cosmetic treatments
and climatic influences
can cause the hair
to split. The cuticle
can no longer fulfil its
protective function
and the fibre stem
tears.
Chemical damage to the structure of the
hair.
_ Damage due to unprofessional colour
treatments, lighteners or perms:
Such treatments always interfere with the
fine chemical structure of the hair. The
fibrils of the hair, the interfibrillar substance
and the melanin are made up of
protein and therefore cannot be influenced
selectively. If, for example, an incorrect
strength of perm lotion (too strong) is
applied in relation to the hair structure or
the development time is too long at too
high a temperature, the hair swells too
much and can be damaged irreversibly.
Damage by UV rays:
The damaging effect of sunlight on hair is
often underestimated. It leads to a gradual
process of oxidation. Especially on wet
hair, the high-energy UV rays cause the intensive
breakdown of melanin and keratin.
The lightening of the pigments due to sunlight
causes more structural damage than
an equally-strong lightening effect with a
high-quality, gentle bleaching agent.
Negative changes to the hair structure are
particularly accelerated if the hair is dried
out more than usual, either by very salty
seawater, strongly-chlorinated swimming
pool water or climatic influences such as
very dry air and wind.
How to avoid damaging influences:
The hair should retain a minimum moisture
content of 20 % in order to prevent too
much electrostatic charging and thus considerably
increased resistance to combing. The
use of protective products before drying,
careful combing, the use of treatments and
conditioners and protection in general from
UV rays will prevent overburdening.
Professional application of hair colour, bleaching
or perm treatments will minimise undesired
damage to the structure of the hair.
Special complementary products used in professional
hair salons help to regenerate the
hair, provide it with optimal protection and
help it live up to its full potential.
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| Credit : Educate - Interhair |
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