[MIDTERMS] PCOS LAB

Question 1

__________ uses the same cleansing mechanism to get dirt off your skin, but often contains mixture of ingredients meant to help treat common skin conditions.

Answer 1

Body Wash

Question 2

(T/F): The number of cleansing forms available for use on the body is more limited than for the face, but the range of surfactants used in these products is no less varied.

Answer 2

T

Question 3

A cleanser used since antiquity, and it remains popular cleanser despite much negative press and the introduction of syndets.

Answer 3

Soap

Question 4

A method of separating molecules having different densities by spinning them in solution around an axis at high speed.

Answer 4

Centrifugation

Question 5

A specialized technique used to spin samples at exceptionally high speeds.

Answer 5

Ultracentrifugation

Question 6

A mild body wash composition. A surfactant component. A structured domain of the mild body wash composition, is measured using graduated cylinder and rotating apparatus.

Answer 6

Lather Volume Test

Question 7

It is used to determine the percent of structured domain or an opaque structured domain that is present in mild body wash composition that comprises Surfactant component.

Answer 7

Ultracentrifugation Method

Question 8

Five (5) Components of Surfactants

Answer 8

1. Anionic Surfactants
2. Non-Ionic Surfactants
3. Cationic Surfactants
4. Zwitterionic Surfactants
5. Amphoteric Surfactants

Question 9

Anionic Surfactants

Answer 9

1. Alkyl Ether Sulfates
2. Alkyl Sulfonates

Question 10

Non-Ionic Surfactants

Answer 10

1. Lauramine Oxide
2. Cocoamine Oxide
3. Alkyl Glucosides
4. Alkyl Polyglucosides
5. Polyhydroxy Fatty Acid Amides

Question 11

Cationic Surfactants

Answer 11

1. Benzalkonium
2. Benzethonium
3. Methylbenzethonium
4. Cetylpyridinium
5. Alkyl-Dimethyl Dichlorobenzene Ammonium

Question 12

Zwitterionic Surfactants

Answer 12

1. Coco Dimethyl Carboxymethyl Betaine
2. Cocoamidopropyl Betaine
3. Cocobetaine
4. Lauryl Amidopropyl Betaine

Question 13

Amphoteric Surfactants

Answer 13

1. Sodium 3-Dodecyl-Amino-Propionate
2. Sodium 3-Dodecylaminopropane Sulfonate
3. Sodium Lauryl Sarcosinate
4. N-Alkyltaurines

Question 14

(T/F): Shower Gel has firmer, gel-like consistency, while Body Wash is more like liquid soap.

Answer 14

T

Question 15

__________ is one of the cons of using body wash over bar soap.

Answer 15

Waste

Question 16

__________ can be an issue whether you choose bar soap or body wash.

Answer 16

Chemical Content

Question 17

__________ are complex mixtures of chemical agents specially designed to make the external layers of the skin softer are more liable.

Answer 17

Moisturizers / Emollients

Question 18

__________ can be used to prevent the skin from becoming too dry or oily, such as with light, non-greasy water-base.

Answer 18

Moisturizers

Question 19

For very dry, cracked skin, __________ are preferable, as they are more lasting than creams and are more effective in preventing water evaporation.

Answer 19

Petrolatum-Based Products

Question 20

For oily skin, __________ that are specifically non-comedogenic are preferable, as there is less risk of comedo formation.

Answer 20

Water-Based Moisturizers

Question 21

Appropriate moisturizers to keep aging skin soft and well hydrated are oil-based ones that contain __________ as the base, along with antioxidants or alpha hydroxy acids against wrinkles.

Answer 21

Petrolatum

Question 22

On sensitive skin (which otherwise is susceptible to skin irritations, redness, itching or rashes), it is preferable to use moisturizers which contain soothing ingredients such as __________, and that minimize potential allergens such as fragrances or dyes, as well as irritants such as acids.

Answer 22

Chamomile or Aloe

Question 23

It is necessary to blend the water phase and oil phase into an emulsion, but consider the potential effect of the degree of mixing on the product viscosity.

Answer 23

Mixing

Question 24

(T/F): A high amount of mixing energy, however, can increase the particle size of the dispersed phase and hence affecting the emulsion viscosity.

Answer 24

F / Increase / DECREASE

Question 25

__________ is generally less of problem in cosmetic processing because the product or phase is usually fluid at elevated temperatures.

Answer 25

Heating

Question 26

__________ is more commonly the problem with cosmetic emulsion because it generally increases product viscosity. It has more important relationship to final product viscosity because of its effect on crystallite size and dispersion.

Answer 26

Cooling

Question 27

__________, or the reduction of particles to small and uniform size and their even distribution in medium, is related to shearing in that frequently used to create the particle breakdown.

Answer 27

Homogenization

Question 28

Eight (8) Components of Mouthwash / Mouth Sprays

Answer 28

1. Antibacterial Agents 2. Alcohols 3. Humectants 4. Surfactants 5. Flavoring Agents 6. Coloring Agents 7. Fluorides 8. Sweetening Agents

Question 29

Antibacterial Agents

Answer 29

1. Cetyl Pyridinium Chloride - 0.05% 2. Chlorhexidine - 0.12% 3. Triclosan - 0.03% 4. Saline - 0.9%

Question 30

Present in the range of 10% - 20%. Enhances the flavour, provides sharpness to the taste, aids in masking. Unpleasant taste of active ingredients, functions as the solubilizing agent for some flavoring agents. Acts as the preservative.

Answer 30

Alcohols

Question 31

5% to 20% of the mouthwash. These agents increases the viscosity of the preparation and enhances the sweetness of the product.

Answer 31

Humectants

Question 32

They aid in the solubilization of flavors and in the removal of debris by providing foaming action.

Answer 32

Surfactants

Question 33

It can be carried out against suitable oral microorganisms in suitable liquid media or agar media against control and determining their effectiveness against the growth.

Answer 33

In-Vitro Antiseptic Activity

Question 34

Done by collecting representative bacterial samples, before and after the use of mouthwash, and culturing and counting colonies on agar plate.

Answer 34

In-Vivo Antiseptic Acivity

Question 35

Using chemical analysis, surface tension effects.

Answer 35

Deodorizing Effect