TOPIC 5 Cosmetic Manufacturing Equipment

Question 1

typical equipment needed for milky lotions and creams (4)

Answer 1

● mixers
● dispersing, emulsifiying equipment
● cooling equipment
● filling equipment

Question 2

typical equipment needed for lotions (2)

Answer 2

● mixers
● filling equipment

Question 3

typical equipment needed for powder compacts (4)

Answer 3

● mixers
● grinders
● molding equipment
● filling equipment

Question 4

typical equipment needed for lipsticks (5)

Answer 4

● mixers
● dispersing, emulsifying equipment
● cooling equipment
● molding equipment
● filling equipment

Question 5

function of mixers

Answer 5

mix all ingredients for uniform product

Question 6

function of grinders

Answer 6

grind powder or pigments into very fine particles

Question 7

function of dispersing, emulsifying equipments

Answer 7

disperse pigment in liquid formulation
make emulsion

Question 8

function of cooling equipment

Answer 8

cool down product after heating process

Question 9

function of moulding equipment

Answer 9

mould product into desired shape eg. lipstick

Question 10

function of filling equipment

Answer 10

fill product into container

Question 11

mechanical equipment for emulsification (agitation) (4)

Answer 11

● propeller mixer
● homogeniser
● disper
● ultrasonifier

Question 12

uses of propeller mixer (4)

Answer 12

● preliminary dispersion
● simple blending of low-viscosity liquids
● maintaining in-tank uniformity
● producing flow in a vessel to promote heat transfer from jacketed vessel walls

Question 13

limitation of propeller mixer

Answer 13

does not have much dispersing capability due to low shear nature

Question 14

propeller mixer for high viscosity liquids

Answer 14

propeller mixer with in-line blending high shear mixer

Question 15

equipment to make nanodispersions (~ 50 nm average emulsion size) of low to moderate viscosity emulsion

Answer 15

ultrasonifiers

Question 16

wet powder milling equipment (2)

Answer 16

● roller mill
● pebble mill