Houston Heat: Asphalt Baking Sunscreen's Youth?
By Franklin Everett ShawThe Houston sun doesn’t play around. It’s not the gentle, forgiving sun of, say, Seattle. It’s a relentless, powerful force that can turn exposed skin into leather faster than you can say “humidity.” So, if you’re a Houstonian, sunscreen isn’t optional; it’s a survival tool.
Choosing the right sunscreen and using it correctly is crucial, and it’s more nuanced than just grabbing the highest SPF you can find. Let’s dive into the specifics of protecting your skin in this unique, sun-drenched environment.
First, let’s talk SPF. SPF, or Sun Protection Factor, measures how well a sunscreen protects you from UVB rays, the primary cause of sunburn. The higher the SPF, the more UVB protection it offers. But here’s the catch: the increase in protection isn’t linear. SPF 30 blocks about 97% of UVB rays, while SPF 50 blocks about 98%. SPF 100 offers only marginally more protection, and it can give a false sense of security, leading to less frequent reapplication.
For Houston, I recommend SPF 30 as a minimum, but SPF 50 is a better choice for most people, especially those with fair skin or a history of sunburn. Don’t be fooled into thinking SPF 70 or 100 is significantly better; focus on proper application and reapplication instead.
Now, application. This is where most people mess up. You need about one ounce (a shot glass full) to cover your entire body. That’s a lot more than most people think. Apply it liberally 15-30 minutes before sun exposure. This allows the sunscreen to bind to your skin. Don’t forget often-missed areas like your ears, the back of your neck, the tops of your feet, and your hairline.
Reapplication is non-negotiable, especially in Houston’s humid climate. Sunscreen breaks down over time, and sweat and water wash it away. Reapply every two hours, or immediately after swimming or sweating heavily. If you’re running the Buffalo Bayou trails, you need to reapply more frequently than if you’re just walking to your car downtown.
Speaking of the Buffalo Bayou, let’s talk about sweat-resistant sunscreens. These are formulated to stay on your skin longer, even when you’re sweating. Look for sunscreens labeled “water-resistant” or “sport.” However, remember that “water-resistant” doesn’t mean “waterproof.” These sunscreens still need to be reapplied regularly.
For outdoor events downtown, consider a sunscreen with a matte finish. This will help control shine and prevent that greasy look that can be exacerbated by Houston’s humidity. Also, consider a sunscreen with antioxidants like Vitamin C or E. These can help protect your skin from free radical damage caused by sun exposure and pollution, which is a significant concern in urban environments.
Let’s address some common mistakes. One is not using enough sunscreen. Another is not reapplying frequently enough. A third is relying solely on sunscreen and neglecting other sun-protective measures like wearing hats, sunglasses, and protective clothing. A wide-brimmed hat is your best friend in Houston.
Another pitfall is using expired sunscreen. Sunscreen has an expiration date, and it loses its effectiveness over time. Check the expiration date before each use, and discard any sunscreen that’s past its prime.
Integrating sunscreen into your daily skincare routine is essential. Make it a habit, just like brushing your teeth. Apply sunscreen every morning, even on cloudy days. UV rays can penetrate clouds, and they can still damage your skin.
For your face, consider using a dedicated facial sunscreen. These are often formulated with ingredients that are less likely to clog pores or cause breakouts. Look for non-comedogenic sunscreens. Many tinted moisturizers and foundations now contain SPF, but don’t rely on these alone. They often don’t provide enough coverage, and you’re unlikely to apply enough to achieve the stated SPF. Use them as an addition to your regular sunscreen, not a replacement.
Here’s a specific scenario: you’re attending an outdoor concert at Miller Outdoor Theatre in Hermann Park. You apply sunscreen before you leave home, but you’ll be in the sun for several hours. Bring your sunscreen with you and reapply every two hours, or more frequently if you’re sweating. Wear a hat and sunglasses, and seek shade whenever possible.
Another scenario: you’re running errands around Montrose. You’ll be in and out of your car, but you’ll still be exposed to the sun while walking to and from stores. Apply sunscreen before you leave home, and keep a travel-sized sunscreen in your car for reapplication.
Let’s talk about specific sunscreen recommendations. For everyday use, I like EltaMD UV Clear Broad-Spectrum SPF 46. It’s lightweight, non-comedogenic, and contains niacinamide, which can help reduce redness and inflammation. For sports activities, I recommend Neutrogena Ultra Sheer Dry-Touch Sunscreen SPF 55. It’s water-resistant and provides broad-spectrum protection. For your face, consider Supergoop! Unseen Sunscreen SPF 40. It’s a clear, weightless sunscreen that works well under makeup.
Remember, sunscreen is just one part of a comprehensive sun protection strategy. Seek shade, wear protective clothing, and avoid prolonged sun exposure during peak hours (10 am to 4 pm). The Houston sun is intense, but with the right knowledge and habits, you can protect your skin and maintain a youthful, healthy complexion for years to come. Don’t let the “asphalt baking” conditions get the best of you. Be proactive, be diligent, and enjoy the outdoors safely.