"This comprehensive table, answering all the questions about sunscreen usage, will help you make the right choices in protecting your skin and preventing aging."

EVERYTHING YOU WONDER ABOUT SUNSCREENS
Question | Answer |
When should sunscreen be applied? | 15-30 minutes before going outside. |
How often should it be reapplied? | Every 2 hours or after sweating. |
What is SPF, and what should it be? | SPF indicates protection against UVB rays. SPF 30+ is recommended for daily use. |
Is there a difference between SPF 50 and 100? | Protection gain is minimal after SPF 50, difference is about 1-2%. |
Should sunscreen go under or over makeup? | Sunscreen should be applied before makeup. |
Is sunscreen needed indoors? | UV rays can pass through windows, so it may be necessary indoors too. |
What’s the difference between mineral and chemical sunscreens? | Mineral filters act as a physical barrier; chemical filters absorb UV rays. |
How should sunscreen be chosen according to skin type? | Gel form for oily skin, moisturizing cream for dry skin. |
What does water-resistant sunscreen mean? | It remains effective for 40-80 minutes after water exposure. |
Does sunscreen prevent skin aging? | Yes, it prevents photoaging by protecting against UVA rays. |