Skincare Skincare Ingredients

Question 1

Which vitamin A derivative is widely used in anti-aging skincare to increase cell turnover?

Accepted Answer

Retinol

Answer

Niacinamide

Answer

Ascorbic acid

Answer

Tocopherol

Question 2

What is the INCI (International Nomenclature of Cosmetic Ingredients) name for vitamin C?

Accepted Answer

Ascorbic acid

Answer

Tocopherol

Answer

Retinyl palmitate

Answer

Panthenol

Question 3

Hyaluronic acid is primarily used in skincare products for which purpose?

Accepted Answer

Hydration and moisture retention

Answer

Exfoliation

Answer

Sun protection

Answer

Reducing acne bacteria

Question 4

Which ingredient is commonly used to treat hyperpigmentation by inhibiting the tyrosinase enzyme?

Accepted Answer

Hydroquinone

Answer

Salicylic acid

Answer

Glycolic acid

Answer

Benzoyl peroxide

Question 5

Niacinamide is a form of which vitamin?

Accepted Answer

Vitamin B3

Answer

Vitamin A

Answer

Vitamin C

Answer

Vitamin E

Question 6

Which acid is a beta-hydroxy acid (BHA) commonly used to treat acne due to its oil-soluble properties?

Accepted Answer

Salicylic acid

Answer

Glycolic acid

Answer

Lactic acid

Answer

Mandelic acid