Cleanser Flashcards
T/F: Cleansers may solubilize lipids and extract skin components
True
T/F: Cleansers do not damage skin proteins
False; Cleansers damage skin proteins owing to charge density of surfactant aggregates
A lot of cleansing products utilize ________ surfactants
which are generally known to possess alkaline pH
anionic
T/F: Alkaline pH can irritate skin
True; this is due to pH alteration (Skin is acidic)
Cleansers have the potential to cause irritation, itching, ____________, and ___________
inflammation; allergies
T/F: The use of hand sanitizers is as effective as hand washing in infection control.
False
This type of cleansers have amphiphilic molecules, anionic surfactants, alkaline pH of 9.5-10
Soaps
T/F: Skin Cleansers may be oil based
True; skin cleasers can be oil or alcohol based
Synthetic Surfactants are _________ anionics and have a pH of ________
milder; 7
commonly used anionic surfactant
Acyl isethionate
Chemical cleaning is achived through _________ and _________ the dirt
emulsifying; dissolving
The mechanism is usually via emulsification. It is able to mix with the oil as well as water.
Surfactants
The principle is dissolution. Whatever substances can be dissolved in that particular solvent, that is the part that can be removed.
Solvent
Types of chemical cleansers
Surfactants, solvents
Cleansing principle based on abrasion or friction
Physical cleaning
_________ (type of cleanser according to foamility) cleansers are the most common and popular type
Foaming Cleanser
Gives the most refreshing sensation
Foaming Cleanser
Has Surfactant solutions, gels, scrubs, and O/W emulsions with high cleansing power
Foaming Cleanser
Milder to the skin (do not contain anionic surfactants)
Low-foaming Cleansers
T/F: Low-foaming cleansers may contain foam booster
True
Solvent-based or emulsion-based
Non-foaming Cleansers
Facial Cleanser Formulation
Surfactants, Solvents, Thickeners, Skin Conditioning Agents, pH buffers, Abrasives, Colorants, Fragrances, Preservatives, Antibacterial agents, Absorbents, Astringents
Sodium Lauryl
Sulfate (SLS), Sarcosinates, Isethionates, Sulfosuccinates,andmonoalkylphosphates
Anionic surfactants
Amines, Quaternary ammonium compounds
Cationic surfactants
These surfactants are mainly used as conditioners more than cleansers
Cationic surfactants
betaines
Amphotheric surfactants
foam very well. But their cleansing action is not as good as anionics
Amphotheric surfactants
Fatty alcohols
and Amides. Generally they do not foam
Nonionic surfactants
Mild surfactants that can be used in baby care
products
Amphotheric surfactants
Solvents for Facial cleanser formulations
Alcohol, Water, Oils
Gums(ex. Acacia, Tragacanth), Acrylates (Carbomer), Celluloses
Thickeners for Facial cleanser formulations
Glycerin, Olive oil, Panthenol, Allantoin
Skin conditioning agents
To acidify the facial cleanser you must add
citric acid, or lactic acid
If the pH is higher than what you intended, add
sodium hydroxide and ammonium hydroxide
this is added when carbomers are
used as a thickening agent which do not give full
viscosity unless they are neutralized
triethanolamine
EXample of absorbents
Zinc Oxide, Titanium Dioxide, Kaolin,
Clay
Absorbents are used for cleansers for what type of skin
oily
Used for tightening of skin pores
Astringents
Example of astringent
alcohol, witch hazel extract
Bar Soaps are usually extremely ____________
alkaline
Which has a better skin compatibility, Syndet bars o Bar soap
Syndet bars
T/F: Syndet Bars give less residue compared to bar soaps
true
Water-based system facial skin cleanser
Cleansing gels
Cleansing gels = _________ + ___________
Thickening agent + Water
O/W emulsions or gels with small particles
Scrubs
Cleanser used for deep cleansing
Scrubs
● O/W emulsions
● With delicate surfactants
● Foaming or non-foaming
Cleansing creams
Waterless cleansers
Toners
Pore-tightening effect
Toners
Suited for oily skin
Toners
T/F: Most toners are alcohol-based but there are also
water-based
True
Rinse-off or peel off
For oily or dry skin
Facial masks
Type of wipes where all the ingredients are already
incorporated and ready to use
Wet wipes
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.
BATH AND SHOWER PRODUCT FORMULATION
● Surfactants
● Thickeners
● Foam stabilizers
● Water
● Skin conditioning agents
● Abrasives
● Preservatives
● Additional ingredients
tend to form scum in the presence of hard water
SOAP BAR
T/F: Humectants incorporated into body washes can effectively moisturize the skin.
True
non-foaming formulations with surfactants added as solubilizer
Bath oils
Types of oils (?)
Floating
Dispersible
Soluble
high percentage of oil with little surfactants
Floating oils
purpose of the surfactant is to help in the spreading of the oil
Floating oils
high level of fragrances, emollient oils, and
surfactants; in situ emulsion
Dispersible oils
solutions of nonionic surfactants in water with little
emollients; slightly foaming
Soluble oils
Contains sodium salts of weak acids, minerals, surfactants,
colorants, and fragrances
bath bombs and salts
Effervescent bath bombs contain
sodium bicarbonate and
citric/tartaric acid
HAND CLEANSERS formulation
water, surfactants, skin conditioning agent, thickeners, preservatives, natural components like antiseptic, anti-inflammatory, and soothing, and additional ingredients
T/F: Formulations for hand sanitizers do not require preservatives
False: Preservatives are supposed to protect the preparation from contaminants
GRASE
Generally Regarded as Safe and Effective
GRASE include
ethanol and povidone iodine, benzalkonium chloride, triclocarban, and triclosan
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
alcohol based formulations acts by
denaturing proteins
Most effective % for alcohol-based handsanitizer
60-95%
ALCOHOL-BASED HANDSANITIZER FORMULATIONS
water, skin conditioners like glycerin, propylene glycol (humectant) and isopropyl myristate (emollient), thickeners, colorants, and fragrances
Water-based handsanitizer formulation
Contain water, surfactant, and antimicrobial ingredients like benzalkonium chloride and Triclosan