Lecture notes
What is cosmetics in b pharm final year?
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Cosmetics , types, definition, prepartion, formulation, uses, advantages etc are included.
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COSMETICS:It is derived from a greek word “Kosmeticos” Which means “to adorn”. Cosmetics may be
defined as any article intended to be rubbed, poured, sprinkled, sprayed on human body for
cleansing, beautifying, promoting attractiveness or to change the appearance of the body is called
as cosmetics.
Classification of cosmetics:
Cosmetics may be classified on the basis of site of application:
Cosmetics
Skin Hair Nail Hygienic
Dental:
Lacquers
Powders
Tooth paste
Mouth wash
Powder: Creams: Lotions: Colorant: Lacquer
remover
Face Cold cream Skin lotion Lipstick
powder Vanishing Bath:
Body cream Nail polish Soaps
powder Bath salts
Hair Hair care Eye
remover: preparation: preparations:
Hair oil
Depilatories Shampoo Mascara, Eye
Epilatories Hair brow pencil
conditioner
, COLD CREAM:
Cold cream is a W/O type emulsion which produces a cooling effect on application to skin due to
slow evaporation of water present in it. Cold cream is generally used in winters. It is produced by
saponification reaction between bees wax and borax. Borax reacts with free fatty acids of bees
wax and form soap which acts as emulsifier for preparation of cream.
S.no Ingredients Quantity
.
1 White bees wax 16g
2 Liquid paraffin 50g
3 Borax 0.8g
4 Purified water 33.2ml
5 Perfume q.s. q.s.
Procedure:
1. Melt the white bees wax and liquid paraffin upto 70˚c on a water bath to obtain a melted
mass.
2. Dissolve the borax in purified water and heat it upto same temperature as that of melted
mass.
3. Then add this aqueous solution in melted mass drop by drop with continuous stirring.
4. Stir continuously until temperature reaches below the 30˚c or it becomes cool.
5. Then add perfume and mix uniformly until a homogeneous product is form.
VANISHING CREAM:
Vanishing cream is a o/w type emulsion, which when applied to the skin, it vanishes and leaves
an almost invisible layer on it. Hence it is called as vanishing cream. The layer behind after
application acts as foundation for the facial make up. The main ingredients of vanishing creams
are stearic acid, alkali and water. Stearic acid gives a pearly appearance to the cream. Soap is
prepared by reaction between stearic acid and alkali which acts as emulsifier for the preparation
of the cream.
S.no Ingredients Quantity
.
1 Stearic acid 20gm
2 Potassium hydroxide 1.4gm
3 Glycerin 4gm
4 Perfume q.s.
5 Purified water 74.6ml
Procedure:
1. Melt the stearic acid on water bath at 70˚c.
2. Dissolve the potassium hydroxide in purified water, add glycerin to it.
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