WorksheetsScience of Skincare
Total questions: 20
Worksheet time: 11mins
What is a surfactant?
A molecule that does not adsorb at surfaces
A substance that prevent bubble formation
A molecule that reduces surface tension of a liquid
A substance that is always water soluble
A substance that is able to dissolve another substance is called a(n):
Powder
Solvent
Ointment
Emulsion
Mixtures of two or more kinds of molecules, having a tendency to separate when left standing, are known as:
Solutions
Ointments
Emulsions
Suspensions
Mixtures of fats and oils converted to fatty acids by heat and then purified fall under which of the following cosmetic classifications?
Soaps
Powders
Ointments
Suspensions
A granular scrub used to assist in physically removing dead skin cells is an example of what type of exfoliant?
Toning
Enzyme
Chemical
Mechanical (physical)
Which type of UV ray is longer-penetrating and causes collagen breakdown?
UVA
UVB
UVC
UVD
SPF testing is based on which type of UV rays?
UVA
UVB
UVC
UVD
Products that are produced using ingredients that have been grown without pesticides, herbicides or genetic modifications are called:
Natural
Organic
Man Made
Lab Created
Due to weight concentration, what ingredient is often listed first on a cosmetic product label?
water
dimethicone
methylparaben
cyclomethicone
Functional ingredients used to remove oil and/or dirt, also known as a cleansing agent, are called:
emollients
botanicals
surfactants
humectants
Which cosmetic ingredient helps to prevent moisture loss?
enzyme
emollient
surfactant
preservative
Which of the following terms means the product is less likely to provoke an allergic reaction?
fragrance
allergenic
antibacterial
hypoallergenic
How are ingredients listed on a product label?
lowest weight concentration listed first
highest weight concentration listed last
ascending order by weight concentration
descending order by weight concentration
When was soap discovered?
2021
2800 BC
2045
Soap was discovered by who?
Americans
Mr. Boadu
Babylonians
Soap was first used to …
Clean utensils and as medicine
Wash cars
clean clothes
Which is attracted to water?
Hydrophillic
Hydrophobic
How long should you wash your hands before rinsing with water?
5 minutes
1 minute
20 seconds
Which of the following is not a function of the skin?
regulates body temperature
stores water and fat
prevents entry of bacteria
supports body movement
Spell Ms T's last name.
(a)
