1.
Permanent
Hair Colour
2.
Demi
Permanent Hair Colour
3.
Semi-Permanent
Hair Colour
4.
Temporary
Hair Colour
Oxidation dyes
are using for permanent hair colour. Diaminobenzene, Diaminotoluene, any
coupling agent and an oxidant are the major ingredients of permanent hair
colour. The coupling agents are chemical compounds that are using to
define the colour of the hair dye. But in demi permanent hair colour
contains alkaline agents other than ammonia. The most commonly used are ethanolamine
and sodium carbonate. The main difference with permanent hair colour is the
use of Hydrogen peroxide’s quality.
The temporary
hair colour are mainly easy to use and very cheap in market with various forms
like shampoo,spray,foams,gels,etc. the temporary hair colour is commonly using for the occasion of marriage and any
party functions. Because it is more shiny than permanent hair colour. But more
careful to semi-permanent hair dye because the ingredients used in this dye
like phenylenediamine are highly toxic. Because of these harmful chemicals, you
will get the side effects. The main side effects are
- breakage of hair
- skin discoloration
- skin irritation
- itching in eyes and eyebrows
- redness in eyes
- redness in skin
- allergic reactions
- skin cancer
- itching in skin
- burning sensations on the skin
- hair loss
- ulceration in scalp
- loss of hair strength
The accidental
intake of these dyes cause abdominal discomfort, constipation, loss of
appetite, breast cancer in women, WHO (World Health Organization) also gives
warning to public about these heart problems.
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