Colorant Flashcards
COLOR COSMETICS
Function
.
COLOR COSMETICS
Product forms:
.
The actual number of colorants utilized is approximately
.
FOUNDATION/SKIN COLORANTS
Function
.
Degree of opacity can vary from
.
The finish provided can be ……
depending on the………
.
foundations include skin treatment functions
.
Preferred forms vary according to
L
United State, Europe, Japan
.
COVERAGE
It depends on the ability of a material to
.
The greater the
difference in ……
between a …………
in which it is dispersed, the greater the degree of……
thus the greater the …..
.
Other properties that affect light-scattering:
.
Particles <350 nm in diameter,
.
Coverage is provided primarily by the white pigments
.
TITANIUM DIOXIDE
L
is the white pigment most commonly.
.
ZINC OXIDE
L
Zinc oxide has a lower refractive index than….. and thus has lower…..
.
is a yellowish- white pigment providing coverage in shades for darker skin tones
.
results in an “ashy” appearance.
.
Kaolin
.
TALC
.
is the most common filler pigment used in foundations.
.
COLORED PIGMENTS
.
SURFACE-TREATED PIGMENTS
.
FRAGRANCE
.
are the principal coloring oxides used in foundation makeup.
.
almost all skin tones can be matched using the iron oxides.
.
Pigment particles that are uniformly coated with a hydrophobic
.
OIL IN WATER FOUNDATIONS
.
POWDER FOUNDATION
.
is the form of choice for powder foundation,
.
A basic pressed powder consists of
.
Metallic soaps of fatty acids,
.
dry binders.
.
Other materials that aid compaction are
.
LIPSTICKS
.
Dispersions of
.
impart an attractive color
and appearance to the lips
.
have a treatment function,
providing an oily protective film to prevent
chapping (crack) and drying out of the lips’
sensitive mucous membranes.
.
LIPSTICK INGREDIENTS
.
COLORING MATERIALS
.
How color is imparted to the lips
.
With colored layer that serves to hide surface roughness and give smooth appearance
.
Capable of penetrating the outer surface of the lips
.
STAINING DYES
.
Halogenated derivatives of fluorescein,”
bromoacids”, a term originally applied to acid
Have brome and COOH
eosin, tetrabromofluorescein.
.
EOSIN
.
is an
If PH is less than 2 it gives :
insoluble orange compound that changes to
an intense red salt > pH2
.
Also known as D&C Red No. 21,
.
Disadvantages of eosin
L
PIGMENTS
L
Titanium dioxide N
.
is an effective white
pigment for obtaining pink shades and giving
opacity to the film on the lips.
.
BISMUTH OXYCHLORIDE
.
alternative opacifier in
pearlaceous shades.
.
low oil absorption and a smooth feel on the
skin and lips.
.
are used for matching the russet
and brown shades
.
Surface-treated versions
may be used to improve wetting.
.
ORGANIC PIGMENTS
Lakes; not purely organic or purely inorganic ( mix of both )
.
provide
the bright clean red, orange, and violet tone
.
When the
parent D&C color is subject to restriction,
.