Skincare Skincare MCQ 5

Question 1

Which acid is an alpha-hydroxy acid (AHA) derived from milk and is gentler than glycolic acid?

Accepted Answer

Lactic acid

Answer

Lactic acid is a mild AHA derived from milk that exfoliates the skin while also having humectant properties to hydrate.

Question 2

What is the 'skin barrier' primarily composed of?

Accepted Answer

Ceramides, fatty acids, and cholesterol

Answer

The skin barrier (stratum corneum) is primarily composed of ceramides, fatty acids, and cholesterol in a 'brick and mortar' structure.

Question 3

Which professional skin treatment uses a diamond-tipped wand or fine crystals to physically exfoliate the skin surface?

Accepted Answer

Microdermabrasion

Answer

Microdermabrasion uses abrasive crystals or a diamond-tipped wand to mechanically exfoliate and remove the outermost layer of dead skin cells.

Question 4

What skin concern does bakuchiol address as a natural alternative to retinol?

Accepted Answer

Anti-aging and fine line reduction

Answer

Bakuchiol is a plant-derived ingredient that mimics retinol's anti-aging effects, stimulating collagen and reducing fine lines with fewer side effects.

Question 5

What is 'slugging' as a skincare trend?

Accepted Answer

Sealing the nighttime skincare routine with a thick occlusive like petroleum jelly

Answer

Slugging involves applying a generous layer of petroleum jelly (like Vaseline) as the last step of a nighttime routine to lock in moisture.

Skincare Practice Test

Skincare Practice Test

Skincare Skincare MCQ 5