Lipsticks - Definition, Characteristics

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.