Sun Protection: Everything You Need to Know

Sun protection is one of the most important steps in your skincare routine. Wearing sunscreen daily not only prevents premature aging and dark spots, but also significantly reduces the risk of skin cancer. If you still have questions about this essential step, this guide will clear everything up!

1. What is Sun Protection Factor (SPF)?

SPF (Sun Protection Factor) measures a sunscreen's ability to protect your skin from UVB rays, the main cause of sunburn. For example, an SPF 50 blocks about 98% of UVB rays, while an SPF 30 blocks about 96.7%.

Tip: For daily use, opt for a sunscreen with SPF 30 or higher . If you're going to be in the sun for long periods of time, an SPF 50 is the best choice.

2. The Difference Between UVA and UVB Rays

• UVB: Responsible for sunburn.

• UVA: Penetrates deeper into the skin and causes premature aging and cell damage.

Therefore, it is essential to choose a sunscreen with broad spectrum protection (UVB + UVA) . In K-Beauty, this is indicated by PA++++ , which represents a high level of protection against UVA rays.

3. Chemical vs. Physical Sunscreens

• Physical (Mineral): They create a barrier on the skin that reflects the sun's rays. They usually contain titanium dioxide and/or zinc oxide . They are ideal for sensitive skin.

• Chemicals: Absorb UV rays and transform them into heat, protecting the skin. They tend to have lighter textures and are invisible on the skin.

Example: The Beauty of Joseon Relief Sun SPF50+ PA++++ is a K-Beauty favorite because it has a lightweight texture and extra hydration.

4. How to Apply Sunscreen Correctly

• Use about half a teaspoon for your face and neck.

• Apply 30 minutes before sun exposure .

• Reapply every 2 hours , especially if you are outdoors.

For touch-ups during the day, the Beauty of Joseon Matte Sun Stick SPF50+ is a great, practical option!

5. Should Sunscreen Be Used Indoors?

Yes! UVA rays can pass through windows and can damage your skin even without direct sunlight. If you spend a lot of time near windows or in front of screens (which emit blue light), sunscreen is still essential.

6. Sunscreen Myths

"Dark skin doesn't need sunscreen." – Myth! Melanin provides some protection, but it's not enough against sun damage.

"If it's cloudy, I don't need sunscreen." – Myth! Up to 80% of UV rays pass through clouds.

"Makeup with SPF is enough." – Myth! Normally, the amount applied is not enough to guarantee full protection.

Conclusion

Sun protection is an investment in the health and beauty of your skin. Using sunscreen every day helps prevent dark spots, wrinkles and, most importantly, serious damage. Choose a sunscreen that is right for your skin and never forget to reapply!

And you, do you already have your favorite sunscreen? Tell us in the comments!