Cosmetics Lec - K > Cleanser > Flashcards

Cleanser Flashcards

(74 cards)

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1
Q

T/F: Cleansers may solubilize lipids and extract skin components

A

True

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2
Q

T/F: Cleansers do not damage skin proteins

A

False; Cleansers damage skin proteins owing to charge density of surfactant aggregates

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3
Q

A lot of cleansing products utilize ________ surfactants
which are generally known to possess alkaline pH

A

anionic

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4
Q

T/F: Alkaline pH can irritate skin

A

True; this is due to pH alteration (Skin is acidic)

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5
Q

Cleansers have the potential to cause irritation, itching, ____________, and ___________

A

inflammation; allergies

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6
Q

T/F: The use of hand sanitizers is as effective as hand washing in infection control.

A

False

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7
Q

This type of cleansers have amphiphilic molecules, anionic surfactants, alkaline pH of 9.5-10

A

Soaps

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8
Q

T/F: Skin Cleansers may be oil based

A

True; skin cleasers can be oil or alcohol based

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9
Q

Synthetic Surfactants are _________ anionics and have a pH of ________

A

milder; 7

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10
Q

commonly used anionic surfactant

A

Acyl isethionate

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11
Q

Chemical cleaning is achived through _________ and _________ the dirt

A

emulsifying; dissolving

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12
Q

The mechanism is usually via emulsification. It is able to mix with the oil as well as water.

A

Surfactants

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13
Q

The principle is dissolution. Whatever substances can be dissolved in that particular solvent, that is the part that can be removed.

A

Solvent

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14
Q

Types of chemical cleansers

A

Surfactants, solvents

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15
Q

Cleansing principle based on abrasion or friction

A

Physical cleaning

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16
Q

_________ (type of cleanser according to foamility) cleansers are the most common and popular type

A

Foaming Cleanser

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17
Q

Gives the most refreshing sensation

A

Foaming Cleanser

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18
Q

Has Surfactant solutions, gels, scrubs, and O/W emulsions with high cleansing power

A

Foaming Cleanser

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19
Q

Milder to the skin (do not contain anionic surfactants)

A

Low-foaming Cleansers

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20
Q

T/F: Low-foaming cleansers may contain foam booster

A

True

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21
Q

Solvent-based or emulsion-based

A

Non-foaming Cleansers

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22
Q

Facial Cleanser Formulation

A

Surfactants, Solvents, Thickeners, Skin Conditioning Agents, pH buffers, Abrasives, Colorants, Fragrances, Preservatives, Antibacterial agents, Absorbents, Astringents

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23
Q

Sodium Lauryl
Sulfate (SLS), Sarcosinates, Isethionates, Sulfosuccinates,andmonoalkylphosphates

A

Anionic surfactants

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24
Q

Amines, Quaternary ammonium compounds

A

Cationic surfactants

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25
These surfactants are mainly used as conditioners more than cleansers
Cationic surfactants
26
betaines
Amphotheric surfactants
27
foam very well. But their cleansing action is not as good as anionics
Amphotheric surfactants
28
Fatty alcohols and Amides. Generally they do not foam
Nonionic surfactants
29
Mild surfactants that can be used in baby care products
Amphotheric surfactants
30
Solvents for Facial cleanser formulations
Alcohol, Water, Oils
31
Gums(ex. Acacia, Tragacanth), Acrylates (Carbomer), Celluloses
Thickeners for Facial cleanser formulations
32
Glycerin, Olive oil, Panthenol, Allantoin
Skin conditioning agents
33
To acidify the facial cleanser you must add
citric acid, or lactic acid
34
If the pH is higher than what you intended, add
sodium hydroxide and ammonium hydroxide
35
this is added when carbomers are used as a thickening agent which do not give full viscosity unless they are neutralized
triethanolamine
36
EXample of absorbents
Zinc Oxide, Titanium Dioxide, Kaolin, Clay
37
Absorbents are used for cleansers for what type of skin
oily
38
Used for tightening of skin pores
Astringents
39
Example of astringent
alcohol, witch hazel extract
40
Bar Soaps are usually extremely ____________
alkaline
41
Which has a better skin compatibility, Syndet bars o Bar soap
Syndet bars
42
T/F: Syndet Bars give less residue compared to bar soaps
true
43
Water-based system facial skin cleanser
Cleansing gels
44
Cleansing gels = _________ + ___________
Thickening agent + Water
45
O/W emulsions or gels with small particles
Scrubs
46
Cleanser used for deep cleansing
Scrubs
47
● O/W emulsions ● With delicate surfactants ● Foaming or non-foaming
Cleansing creams
48
Waterless cleansers
Toners
49
Pore-tightening effect
Toners
50
Suited for oily skin
Toners
51
T/F: Most toners are alcohol-based but there are also water-based
True
52
Rinse-off or peel off For oily or dry skin
Facial masks
53
Type of wipes where all the ingredients are already incorporated and ready to use
Wet wipes
54
What is the advantage of dry wipes over wet wipes
In the dry wipes, the ingredients can be incorporated in different parts of the wipes.
55
BATH AND SHOWER PRODUCT FORMULATION
● Surfactants ● Thickeners ● Foam stabilizers ● Water ● Skin conditioning agents ● Abrasives ● Preservatives ● Additional ingredients
56
tend to form scum in the presence of hard water
SOAP BAR
57
T/F: Humectants incorporated into body washes can effectively moisturize the skin.
True
58
non-foaming formulations with surfactants added as solubilizer
Bath oils
59
Types of oils (?)
Floating Dispersible Soluble
60
high percentage of oil with little surfactants
Floating oils
61
purpose of the surfactant is to help in the spreading of the oil
Floating oils
62
high level of fragrances, emollient oils, and surfactants; in situ emulsion
Dispersible oils
63
solutions of nonionic surfactants in water with little emollients; slightly foaming
Soluble oils
64
Contains sodium salts of weak acids, minerals, surfactants, colorants, and fragrances
bath bombs and salts
65
Effervescent bath bombs contain
sodium bicarbonate and citric/tartaric acid
66
HAND CLEANSERS formulation
water, surfactants, skin conditioning agent, thickeners, preservatives, natural components like antiseptic, anti-inflammatory, and soothing, and additional ingredients
67
T/F: Formulations for hand sanitizers do not require preservatives
False: Preservatives are supposed to protect the preparation from contaminants
68
GRASE
Generally Regarded as Safe and Effective
69
GRASE include
ethanol and povidone iodine, benzalkonium chloride, triclocarban, and triclosan
70
T/F: 70% alcohol is more effective than absolute alcohol as an antibacterial agent
True. This is anchored to the mechanism of action of alcohol as an antimicrobial. 70% alcohol is more effective than absolute alcohol as water is necessary for the protein denaturation proces
71
alcohol based formulations acts by
denaturing proteins
72
Most effective % for alcohol-based handsanitizer
60-95%
73
ALCOHOL-BASED HANDSANITIZER FORMULATIONS
water, skin conditioners like glycerin, propylene glycol (humectant) and isopropyl myristate (emollient), thickeners, colorants, and fragrances
74
Water-based handsanitizer formulation
Contain water, surfactant, and antimicrobial ingredients like benzalkonium chloride and Triclosan

Cosmetics Lec - K (13 decks)

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