THE MANUFACTURE OF COSMETICS | Pharmaceutical Cosmetology| Md. Shak...

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THE MANUFACTURE OF COSMETICS

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Presented By
Mim Akter (PHA-20005)
Eshita Roy Ritu (PHA-20007)
Md. Shakil Sarker (PHA-20008)
Md.Riad Hasan (PHA-20020)
A...

Contents
Introduction
Mixing and the manufacture
of bulk cosmetics products.
Solid solid mixing.
Manufacture of pigmented
...

4
Cosmetic is derived from Greek word “kosmetikos”
which means adorn. It means any article intended to
be rubbed, poured, ...

5
Cosmetics are categorizes as follow:
1. Cosmetics according to their use:
i. Skin: Examples- Creams, Powder, lotions.
ii...

6
2.Classification according to their function:
• i.Protective:Examples-Sunscreen
• ii.Corrective:Examples-Face powder
• i...

7
Mixing
Mixing is defined as the process that tends to result
in a randomization of dissimilar particles within a
system....

8
Clearly, the degree to which inhomogeneity can be reduced depends on the efficiency of
the mixing apparatus used and al...

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Mixing can only occur by relative movement between the
particles of the constituent components of the mixture.
Three ba...

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• Your company name
The manufacture of bulk cosmetics
The whole subject of bulk cosmetics manufacture can be satisfact...

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Scope of Mixing operations within Cosmetics Industry
Type of mixing Examples
01 Solid/solid
a) Segregating
b) Cohesive
...

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Not only are all these operations different from each other, but at
each stage the characteristics of the bulk are qui...

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Solid-solid mixing
Solid-solid mixing include combination of low speed shear,
smearing, wiping, folding, stretching and...

14
Nature of Inter-particles bond
The characteristics which is essential for cosmetics production
is given below:
1. The f...

15
Manufacture of pigmented powder products
Pigmented powder products in cosmetology encompass a variety
of makeup items t...

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Finishing Powders: Finalize makeup for a polished look.
Pigmented Loose Powders: Versatile powders for setting and high...

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These powder eyeshadows, face powders and
commonly composed of the following types of
materials:
1. Talc
2. Pigments
3....

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Extension of pigment
In cosmetology, talc is often used as a filler
or extender in powder formulations, such as
foundat...

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(Cont…)
 Improperly processed powders contain larger agglomerates of pigment existing as
discrete entities and separat...

20
(Cont…)
Hammer Mill
A hammer mill is a type of industrial grinder used to crush
or shred materials into smaller pieces....

21
(cont…)
Design:
o Typically consists of a rotating shaft with hammers attached that break materials
against a screen or...

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Operation:
o Material is fed into the mill, where it is impacted by the hammer and reduced in size.
o The size of the o...

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Mixing of fluids:
Fluid mixing in cosmetology is an essential aspect
of many beauty treatments, particularly those
invo...

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The mixing process in cosmetology is crucial for creating high-quality beauty products.
Here are some key aspects:
1. T...

25
Mechanisms of Liquid Mixing :
1. Bulk Transport: Bulk transport is defined as the
movement of a large portion of a mate...

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(Cont…)
3.Laminar Mixing:
Laminar mixing is the mixing of two dissimilar liquids
through laminar flow, i.e. the applied...

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They are two types, depending on whether or
not turbulent conditions prevail:
Laminar shear/distributive mixers: Helica...

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Important parts of Mixing Equipment
The mixing apparatus consists of a container (tank) and a mixing
device (impeller)....

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2. Liquid Mixing Devices(Impeller)
Mixing devices are technically called impellers. Three main types of impellers are
u...

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Uses:
Suitable for liquids with viscosity up to 2.0 Pa·s and slurries
with up to 10% fine solids.
Can handle volumes up...

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Turbines
 Consist of a circular disc with short blades attached.
 Diameter is 30-50% of the vessel's diameter.
 Oper...

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Various types of blades
Uses:
 Effective for high-viscosity solutions up to
700 Pa·s (e.g., syrups, liquid paraffin,
g...

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Paddles
 Consist of a central hub with two long flat blades attached
vertically.
 Commonly have two or four blades; b...

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Uses:
Used in the manufacture of antacid suspensions (aluminum hydroxide gel,
magnesium hydroxide).
Effective for agar ...

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Vortex Formation
Vortex formation is the process by which a mass of fluid begins to rotate,
or whirl, creating a cavity...

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Disadvantages:
Vortex formation reduces the mixing intensity. It produces air bubbles which causes
oxidation of the sub...

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Jet Mixer
Principle:
Liquids are pumped separately into a jet mixer at different velocities.
High-velocity fluid has lo...

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Pipe Mixer
Principle: Liquids are passed through the pipe for mixing. Mixing occurs mainly through
bulk transport in th...

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Uses: Effective for mixing large volume of liquids.
Advantages:1.Ensures continuous and uniform mixing of fluids over l...

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Colloid Mill
Principle:
Colloid mill shears coarse emulsions in a narrow space
between a fast-moving rotor and stator t...

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Uses:
Prepares colloidal dispersions, suspensions,
emulsions, and ointments.
Advantages:
Suitable for producing sterile...

42
Ultrasonic Homogenizer
Principle:
Ultrasonic vibrations create alternating regions of compression
and rarefaction in a ...

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Advantages:
1. Can be used for batch processes or continuous processes.
2. Produces dispersed globules of one micron si...

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Triple Roller Mill
Principle:
Utilizes differential speeds between rollers.
The narrow space between rollers generates ...

45
Solid–liquid systems, which is used for dispersing
agglomerates, keeping the solid particles in suspension,
blending va...

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(Cont…)
Solid-liquid mixing is a crucial process in cosmetics, where solid ingredients (like
powders, pigments, or acti...

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 Viscosity of the Liquid Phase: High-viscosity bases (like gels and oils) require more robust
mixing methods to incorp...

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Typical Process
•Pre-mixing: Solids may be pre-wetted or pre-mixed with a part
of the liquid to avoid clumping.
•Disper...

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Suspension of solids in an agitated tank is a
common method used in cosmetics
manufacturing for creating products like
...

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(Cont…)
The choice of the agitator will depend on how difficult is the mixture :
 Easy suspension, no modification of ...

51
Typical mixer profiles used for liquid solids suspension are the following :
Axial Flow Impellers:
 Propellers: These ...

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Liquid-liquid mixing.
Liquid-liquid mixing
Liquid-liquid mixing is considered a simple operation
compared to solid-soli...

53
(Cont…)
Miscible liquids:
They are miscible in all proportions. For
example, Ethyl alcohol and water are
miscible in al...

54
(Cont…)
Immiscible liquids:
As the name indicates, these are not miscible. For example, vegetable oils
and water are no...

55
(Cont…)
Applications of Liquid-Liquid Mixing:
1. Different types of emulsions. Eg: lotions, creams,
moisturizers.
2. Pe...

56
(Cont…)
Reference:
 Ralph Gordon Harry. (2024). The Manufacture of Cosmetics. In J.B.
Wilkinson; R.J. Moore (Ed.), Har...

57
Thank You

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