Wax mixture: Gloss and hardness of lipsticks are hardly
depends on the characteristics and the quantity of the waxes used. So the
composition of the wax mixture is of prime importance. Wax mixture include;
-
White
beeswaxe
-
Candelilla
wax
-
Carnauba
wax
-
Ozokerite
wax
-
Ceresin
wax
-
Cetyl
alcohol and cetostearyl alcohol.
Oils mixture: The oil mixtureis required to blend properly
with the waxes to provide a suitable film on the applied lip.It’s also acts as
a dispersing agent for insoluble pigments. Ideal mixture is one which enables
the product to spread easily.
-
Castor
oil
-
Tetrahydrofurfuryl
alcohol and its esters
-
Fatty
acid alkylamides,
-
Paraffin
oil
-
Isopropyl
myrislate, isopropyl palmitate and butyl stearate.
Bromo mixture: The bromo mixture is essentially a solution
of the staining dye stuff in a fatty material to enable the dyestuff to remain
either wholly or partially in solution. It is known as bromo acids consist of
fluoresceins, halogenated fluorosceins and related water insoluble dyes. 2-3%
of this solution is used of total formulation.Mainly two types;
-
Red
bromo acid: Red in color and gives reddish-blue strain
-
Orange
red bromo acid: Orange red in color and gives
pink to yellowish pink color.
Solvent used are;
-
Tetrahydrofurfuryl
alcohol and esters
-
Glycerol
derivatives
-
Propylene
glycol, triethylene glycol, polyethylene glycol.
Colors: The color of the lipstick is most important
from commercial and appealing view. The color is imparted to the lips in two
ways;
-
By
straining the skin with a solution of dyestuff which can penetrate the outer
layer of the lip skin.
-
By
covering the lips with a colored layer.
Commonly used dye;
-
Staining
dyes (soluble dye); Fluoroscein, eosi.
-
Insoluble
dyestuff and lake colors: Ca, barium, Al and strontium
Preservatives, fragrance,
surfactants and other additives: Both are used in sufficient quantity.
-
Preservatives
are used to preveny microbial growth.
-
Perfume
is used to mask the odor.
-
Surfactants
are used to promote wetting properties.
-
Antioxidants
are used to prevent rancidification
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