"Florida's "Healthy" Sunscreen Secret: It's Burning You"

By Franklin Everett Shaw

May 10, 2026

Are you slathering on sunshine protection or just expensive lotion? The harsh Florida sun, especially in tourist hotspots like Miami Beach and Orlando, demands serious sunscreen. But the truth is, many sunscreens lining drugstore shelves are failing us, offering a false sense of security while our skin silently suffers.

This isn’t just about avoiding a sunburn. It’s about preventing premature aging, skin cancer, and long-term damage from UVA and UVB rays.

Let’s dive into the murky world of sunscreen efficacy and how you can protect yourself from deceptive marketing and inadequate formulas.

The problem starts with labeling. “Broad spectrum” is supposed to mean protection against both UVA and UVB rays. UVB rays are the primary cause of sunburn, while UVA rays penetrate deeper, contributing to wrinkles, age spots, and skin cancer.

Many sunscreens pass the bare minimum “broad spectrum” test, but offer weak UVA protection. This is especially concerning in Florida, where the sun’s intensity is amplified by the reflection off the ocean and white sand.

So, how can you tell if your sunscreen is truly protecting you?

First, look for the active ingredients. Mineral sunscreens containing zinc oxide and titanium dioxide are generally considered safer and more effective. They work by creating a physical barrier that reflects UV rays, rather than absorbing them like chemical sunscreens.

Chemical sunscreens often contain ingredients like oxybenzone, avobenzone, octinoxate, and octisalate. While they can be effective, some studies have linked them to hormone disruption and coral reef damage.

Oxybenzone is particularly problematic and has been banned in some areas.

Next, check the SPF. SPF only measures protection against UVB rays. While a higher SPF offers more protection, it’s not a linear scale. SPF 30 blocks about 97% of UVB rays, while SPF 50 blocks about 98%.

The difference is minimal, and the key is frequent reapplication.

But SPF tells you nothing about UVA protection. That’s where the “broad spectrum” claim comes in, but as we’ve discussed, it’s not always reliable.

Here’s a simple test you can do at home: the “window test.” Apply a generous amount of sunscreen to a clear piece of glass or plastic. Hold it up to a bright light source, like a window on a sunny day.

If the sunscreen provides good UVA protection, it should block a significant amount of light. If the light shines through easily, it’s likely offering inadequate UVA protection.

This isn’t a scientific test, but it can give you a general idea of the sunscreen’s effectiveness.

Another crucial factor is application. Most people don’t apply enough sunscreen. You should use about one ounce (a shot glass full) to cover your entire body.

Don’t forget often-missed areas like your ears, neck, and the tops of your feet.

Reapply sunscreen every two hours, or more often if you’re swimming or sweating. Even “water-resistant” sunscreens lose their effectiveness after a certain amount of time in the water.

Now, let’s talk about specific sunscreen recommendations for Florida’s intense sun.

Look for mineral sunscreens with at least 15% zinc oxide. Some excellent brands include:

Thinksport: A popular choice for athletes and outdoor enthusiasts.
Badger Balm: Known for its simple, natural ingredients.
Blue Lizard Australian Sunscreen: Originally developed for the harsh Australian sun.

These brands are readily available at drugstores and online retailers.

Avoid sunscreens that contain oxybenzone or octinoxate, especially if you’re swimming in Florida’s coral reefs.

Consider wearing protective clothing, such as long-sleeved shirts, hats, and sunglasses. These offer additional protection from the sun’s harmful rays.

Seek shade whenever possible, especially during the peak hours of 10 a.m. to 4 p.m.

Now, let’s address the recent FDA proposal regarding sunscreen regulations. The FDA is proposing stricter rules for sunscreen labeling and testing, including requiring manufacturers to provide more information about UVA protection.

The proposal also aims to address concerns about the safety of certain chemical sunscreen ingredients.

This is a positive step towards ensuring that sunscreens are both safe and effective. However, it’s important to remember that the proposal is still under review and may not be finalized for some time.

In the meantime, it’s up to consumers to educate themselves and choose sunscreens wisely.

One common mistake developers make is assuming that all sunscreens are created equal. They often recommend sunscreens based on brand recognition or marketing claims, without considering the active ingredients or UVA protection.

Another pitfall is relying solely on SPF. As we’ve discussed, SPF only measures UVB protection. It’s crucial to look for broad-spectrum sunscreens that offer adequate UVA protection.

Developers should also be aware of the potential risks associated with chemical sunscreens. While they can be effective, some ingredients have been linked to hormone disruption and coral reef damage.

Mineral sunscreens are generally considered safer and more effective.

Finally, developers should emphasize the importance of proper application and reapplication. Even the best sunscreen won’t work if it’s not applied correctly or reapplied frequently.

Here’s a step-by-step guide to choosing and using sunscreen effectively in Florida:

Choose a mineral sunscreen with at least 15% zinc oxide.
Check the label for “broad spectrum” protection.
Perform the “window test” to get a general idea of UVA protection.
Apply one ounce of sunscreen to your entire body.
Reapply every two hours, or more often if swimming or sweating.
Wear protective clothing and seek shade whenever possible.

By following these tips, you can protect yourself from the sun’s harmful rays and enjoy Florida’s beautiful beaches without risking your health.

Don’t be fooled by deceptive marketing. Take control of your sun protection and choose sunscreens that truly protect you. Your skin will thank you.