As someone who tan easily, I recently learned about the importance of sun protection and the potential risks associated with sunscreen usage. In this article, we’ll delve into the basics of sunscreen and provide tips on how to choose a safe and effective product.
The sun’s rays have been studied for thousands of years, with a growing body of evidence linking UV radiation to skin cancer. There are two main types of UV radiation: UVA and UVB. UVA rays penetrate deeply into the skin, causing aging and skin damage, while UVB rays cause sunburns and tanning.
Sun Protection Factor (SPF) measures how much protection a sunscreen provides against UVB rays. However, SPF only protects from UVB rays and does not provide any additional protection against UVA rays. Sunscreens labeled as “broad spectrum” coverage will protect against both UVA and UVB rays.
When choosing a sunscreen, it’s essential to consider the type of sunscreen: chemical or physical/mineral. Physical sunscreens block the sun’s rays directly, while chemical sunscreens create a reaction that turns the rays into harmless heat. Mixing two different types of sunscreens can compromise their effectiveness.
Another concern is the presence of nanoparticles, fragrances, and other additives in some sunscreens. Fragrances are often unregulated and may contain chemicals that harm marine life.
To use sunscreen effectively, remember to:
* Reapply every two hours
* Apply a generous amount of sunscreen
* Choose a broad-spectrum sunscreen with at least SPF 30
* Avoid mixing different types of sunscreens
* Stay out of the sun during peak hours (mid-afternoon)
* Wear protective clothing and accessories
It’s also essential to follow proper storage conditions, check expiration dates, and choose a reputable brand. Despite these precautions, protecting yourself from the sun’s rays is crucial for overall health.
For more information on sunscreen safety and effectiveness, visit resources such as the Environmental Working Group (EWG) and the FDA. By taking control of your skin care and choosing safe, effective sunscreens, you can enjoy the sun while minimizing risks to your health and well-being.
Source: https://www.masslive.com/westfieldnews/2025/07/westfield-health-bulletin-knowing-sunscreen-basics-can-save-your-skin-literally.html