Skincare Skincare Ingredients 2

Question 1

What type of exfoliant is glycolic acid classified as?

Accepted Answer

Alpha-hydroxy acid (AHA)

Answer

Glycolic acid is an alpha-hydroxy acid (AHA) derived from sugarcane that exfoliates the skin's surface.

Question 2

Which ingredient is known as a 'humectant' that draws moisture from the environment into the skin?

Accepted Answer

Glycerin

Answer

Glycerin is a powerful humectant that attracts and holds water molecules to keep skin hydrated.

Question 3

Ceramides in skincare products help to:

Accepted Answer

Restore and strengthen the skin barrier

Answer

Ceramides are lipids that make up approximately 50% of the skin barrier and help retain moisture and protect against irritants.

Question 4

Which antioxidant vitamin is commonly listed on ingredients labels as 'tocopherol'?

Accepted Answer

Vitamin E

Answer

Tocopherol is the INCI name for vitamin E, a fat-soluble antioxidant that protects skin from oxidative damage.

Question 5

What is benzoyl peroxide primarily used for in skincare?

Accepted Answer

Treating acne by killing bacteria and reducing inflammation

Answer

Benzoyl peroxide kills acne-causing bacteria (C. acnes) and helps unclog pores, making it effective for acne treatment.

Skincare Practice Test