1. What does SPF stand for in skincare?

2. Which ingredient is known for treating acne?

3. What does retinol help improve?

4. Which vitamin is commonly used for brightening skin?

5. What is the main function of a moisturizer?

6. Which skincare step comes after cleansing?

7. What does hyaluronic acid do?

8. Which product protects skin from UV rays?

9. What is a common benefit of exfoliation?

10. Which ingredient is known for anti-aging?

11. What does 'non-comedogenic' mean?

12. Which layer of skin is the outermost?

13. What is the purpose of toner?

14. Which industry trend focuses on fewer ingredients?

15. What is a serum in skincare?

16. Which ingredient is known for soothing skin?

17. What does double cleansing involve?

18. Which product removes makeup effectively?

19. What is the goal of anti-aging skincare?

20. Which country is known for K-beauty trends?