Skincare Facial Skincare 3 — Questions and Answers
Question 1: Which vitamin is commonly used in serums to brighten skin and reduce hyperpigmentation?
- Vitamin A
- Vitamin B3
- Vitamin C (Correct answer)
- Vitamin E
Correct answer: Vitamin C
Vitamin C (ascorbic acid) is an antioxidant that inhibits melanin production, helping to brighten skin and fade dark spots.
Question 2: What skin concern does niacinamide (Vitamin B3) primarily address?
- Deep wrinkles only
- Uneven skin tone, enlarged pores, and redness (Correct answer)
- Severe acne scars
- Skin sagging
Correct answer: Uneven skin tone, enlarged pores, and redness
Niacinamide is a multi-tasking ingredient that improves uneven skin tone, minimizes pore appearance, reduces redness, and strengthens the skin barrier.
Question 3: How should retinol products typically be introduced into a skincare routine?
- Apply twice daily from the start
- Use every night immediately
- Start with low concentration a few times per week (Correct answer)
- Mix with other active ingredients
Correct answer: Start with low concentration a few times per week
Retinol should be introduced gradually starting with a low concentration 2-3 times per week to allow skin to build tolerance.
Question 4: What is the correct order of applying skincare products?
- Moisturizer, serum, toner, cleanser
- Cleanser, toner, serum, moisturizer (Correct answer)
- Serum, toner, cleanser, moisturizer
- Toner, cleanser, serum, moisturizer
Correct answer: Cleanser, toner, serum, moisturizer
The correct order is cleanser, toner, serum (lightest to heaviest), and finally moisturizer to seal everything in.
Question 5: What does 'double cleansing' involve?
- Washing your face twice with the same cleanser
- Using an oil-based cleanser followed by a water-based cleanser (Correct answer)
- Using a physical scrub after a regular cleanser
- Cleansing in the morning and evening only
Correct answer: Using an oil-based cleanser followed by a water-based cleanser
Double cleansing uses an oil-based cleanser first to remove makeup and sunscreen, followed by a water-based cleanser to cleanse the skin itself.
Question 6: Which skin barrier component is responsible for locking in moisture and protecting against irritants?
- Melanin
- Ceramides (Correct answer)
- Collagen
- Elastin
Correct answer: Ceramides
Ceramides are lipids that make up about 50% of the skin barrier, helping to retain moisture and protect against environmental irritants.
Question 7: What is the purpose of a facial essence in a Korean skincare routine?
- To remove makeup
- To provide deep hydration and enhance absorption of subsequent products (Correct answer)
- To treat acne spots
- To protect against UV rays
Correct answer: To provide deep hydration and enhance absorption of subsequent products
A facial essence delivers deep hydration and active ingredients while prepping skin to better absorb serums and moisturizers applied afterward.
Skincare Facial Skincare 3
Which vitamin is commonly used in serums to brighten skin and reduce hyperpigmentation?