Chemistry 102E.06 - 102E.09

Question 1

Which term means the product is less likely to cause an allergic reaction?

Accepted Answer

hypoallergenic

Question 2

Which of the following biochemical compounds help form the components that occupy the intercellular spaces in the skin?

Accepted Answer

lipids

Question 3

A solution that cannot dissolve more solute at a given temperature is called a:

Accepted Answer

saturated solution

Question 4

Which government agency is responsible for regulating cosmetics in the U.S.?

Accepted Answer

FDA

Question 5

All of the following are benefits of botanicals, EXCEPT:

Accepted Answer

increases melanocyte reaction

Question 6

What ingredient is listed as the primary ingredient on many skin care products?

Accepted Answer

water

Question 7

Functional ingredients are responsible for delivering the intended results

Accepted Answer

False

Question 8

An example of an emulsion

Accepted Answer

cleansing creams

Question 9

The non-polar end of an emulsifier, which attracts oil and repels water, is called lipophilic.

Accepted Answer

True

Question 10

What is the pH of hair, skin and nails?

Accepted Answer

4.5-5.5

Question 11

Ingredients that bind the product, provide a base, and contain preservatives are called:

Accepted Answer

functional

Question 12

An example of an oil-in-water emulsion is

Accepted Answer

Lotion

Question 13

A granular scrub that helps remove dead skin cells is an example of a:

Accepted Answer

mechanical (physical)

Question 14

Products available to consumers without a prescription are called?

Accepted Answer

over-the-counter drugs

Question 15

Which of the following dyes, from vegetables, minerals, or pigments, are used to enhance a product's appearance?

Accepted Answer

Coloring agents

Question 16

Ingredients that eliminate bacteria linked to acne or infections are called:

Accepted Answer

Antibacterial

Question 17

Mixtures of two or more molecules that separate upon standing are called:

Accepted Answer

Suspensions

Question 18

On the pH scale, numbers below 7 represent what?

Accepted Answer

Acidic solution

Question 19

Two or more atoms joined together by a chemical bond is a(n):

Accepted Answer

Molecule

Question 20

A substance that releases H+ ions in water, raising hydrogen ion concentration, is a(n):

Accepted Answer

Acid

Question 21

Alkalis tend to taste sour

Accepted Answer

False

Question 22

Skin is not a solid because it has no definite volume

Accepted Answer

False

Question 23

The study of non-living, carbon-free substances like rocks, water, and minerals is known as:

Accepted Answer

inorganic chemistry

Question 24

Which of the following represents an example of a chemical change?

Accepted Answer

oxygen and hydrogen combining to form water

Question 25

Which of the following statements about emollients is false?

Accepted Answer

they are found in concentrations ranging between 20% and 30%

Question 26

Substances that cannot be simplified into smaller components are referred to as:

Accepted Answer

elements

Question 27

Atoms have three main parts: protons, neutrons and:

Accepted Answer

electrons

Question 28

Which cosmetic ingredient helps maintain moisture levels?

Accepted Answer

emollient

Question 29

The chemical symbol for Carbon is...

Accepted Answer

C

Question 30

The instruction to shake well before use indicates that the product is a suspension.

Accepted Answer

True

Question 31

Which cosmetic classification covers fats and oils that are heated to produce fatty acids and purified?

Accepted Answer

soaps

Question 32

What color does blue litmus paper turn in the presence of an acid?

Accepted Answer

Red

Question 33

Which of the following ingredients are likely to clog pores and cause papules and pustules?

Accepted Answer

comedogenic

Question 34

A substance, like an enzyme or alpha hydroxy acid, that helps remove dead skin cells is a:

Accepted Answer

Chemical exfoliant

Question 35

What substances can be dissolved in or found in solutions that are acidic or alkaline?

Accepted Answer

Water

Question 36

What happens when an alkali is placed in water?

Accepted Answer

Alkali decreases the concentration of hydrogen ions

Question 37

Which type of UV ray is more penetrating and contributes to collagen breakdown?

Accepted Answer

UVA

Question 38

Which ingredient is compatible with both water and oil?

Accepted Answer

Emulsifying agent

Question 39

The chemical bonding of two elements forms many products used by estheticians.

Accepted Answer

Compound

Question 40

Liposomes, microsponges, and hydrogels belong to which type of delivery system?

Accepted Answer

microencapsulation

Question 41

What is the term for something that occupies space and has mass?

Accepted Answer

Matter

Question 42

pH stands for potential hydrogen

Accepted Answer

True

Question 43

Why is pure water considered a neutral substance?

Accepted Answer

Positive and negative ions balance each other out

Question 44

_______ are the primary materials the body uses to construct and renew itself.

Accepted Answer

Proteins

Question 45

To protect sensitive skin and reduce free radicals, suggest products containing:

Accepted Answer

antioxidants

Question 46

How are ingredients listed on a product label?

Accepted Answer

descending order by weight concentration

Question 47

A substance that dissolves another is called a(n) __________.

Accepted Answer

solvent

Question 48

A pH of 5 is how much more acidic than a pH of 6?

Accepted Answer

10

Question 49

Which cosmetic category represents a mixture of two or more substances that are evenly mixed and compatible?

Accepted Answer

solution

Question 50

How do liposome and hydrogel delivery systems differ?

Accepted Answer

liposomes deliver lipophilic ingredients&hydrogels deliver hydrophilic ing.

Chemistry 102E.06 - 102E.09

Questions 50

Chemistry 102E.06 - 102E.09

Questions 50