Lipstick may be basically defined as dispersion of the colouring matter in a base consisting of a suitable blend of oils, fats and waxes with suitable perfumes and flavours moulded in the form of sticks to impart attractive gloss and colour, when applied on lips.
LIPSTICKS
Definition:
Lipstick may be basically defined as
dispersion of the colouring matter in a base consisting of a suitable blend of
oils, fats and waxes with suitable perfumes and flavours moulded in the form of
sticks to impart attractive gloss and colour, when applied on lips.
Lipsticks provide moist appearance
to the lips accentuating them and disguising their defects.
Ideal
Characteristics Of Good Lipsticks:
The ideal requirements for the
formation of a good lipstick may be as follows:
·
It
should efficiently cover lips with colour and impart a gloss which would last
long.
·
It
should be able to maintain the intensity of colour without any alteration in
the degree of its shade.
·
It
should be able to adhere firmly to the lips and should not provide any greasy
appearance.
·
It
should possess good thixotropic property so as to deposit the colour with minimum
pressure.
·
It
should show a smear proof coloring effect.
·
It
should possess required plasticity and be able to maintain all the properties
throughout the storage period.
·
It
should not be gritty.
·
It
should be easily dried.
·
The
stick should possess even firmness and should maintain its strength at varying
temperatures up to 55°C.
·
The
stick should not dry or crumble easily.
·
The
lipstick should possess a pleasant fragrance and a good flavour.
·
Should
be safe and non-irritating to the lips.
·
Result
in blooming or sweating of the lips.
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