Coral reefs are vital ecosystems, providing essential habitats for countless marine species, protecting coastlines, and supporting local economies. However, these delicate underwater cities are under threat from various factors like pollution and chemicals found in conventional sunscreens.
Coral reefs are vital ecosystems, providing essential habitats for countless marine species, protecting coastlines, and supporting local economies. However, these delicate underwater cities are under threat from various factors like pollution and chemicals found in conventional sunscreens. When we swim or shower, the sunscreen we apply can wash off and enter waterways, eventually reaching coral reefs and other marine environments.
Studies have shown that common sunscreen chemicals can have devastating effects on marine life. For instance, oxybenzone and octinoxate are particularly harmful to corals, causing bleaching, DNA damage, and reproductive disruption. Beyond corals, these chemicals can disrupt marine life like mussels and dolphins. The cumulative impact of these chemicals, even in small concentrations, poses a significant threat to the health and biodiversity of our oceans.
Beyond their impact on marine ecosystems, some sunscreen chemicals are also recognized as endocrine disruptors, meaning they can interfere with the body's hormonal system. The endocrine system regulates crucial bodily functions, including metabolism, growth, development, tissue function, sleep, mood, and reproduction. Disruption of this system can lead to a range of health issues in humans and animals alike.
Several chemical UV filters commonly found in sunscreens have been flagged for their potential endocrine-disrupting properties. Oxybenzone (Benzophenone-3), homosalate, avobenzone, parabens, and OD-PABA all have concerns and may interfere with hormone regulation. Oxybenzone is the most studied and concerning of these potential endocrine disruptors.
Fortunately, effective and safer alternatives exist. Mineral sunscreens are considered the gold standard for both reef safety and human health. These sunscreens use naturally occurring minerals as their active ingredients, which sit on the skin's surface and create a physical barrier that reflects UV rays. The two primary active ingredients in reef-safe mineral sunscreens are non-nano Zinc Oxide and non-nano titanium dioxide. Both are recognized by the FDA as safe and effective. The term "non-nano" is important, as nano-sized particles of zinc oxide and titanium dioxide can potentially be ingested by marine organisms and cause harm
When choosing a reef-safe sunscreen, always look for products that explicitly state they contain non-nano zinc oxide and/or non-nano titanium dioxide as their active ingredients. Be wary of products labeled as "reef-friendly" without specifying the active ingredients, as some may still contain harmful chemicals.
While protecting our oceans from harmful chemicals is crucial, it's equally important to understand the benefits of sun exposure for our own health. Sunlight is essential for human well-being, primarily for the production of Vitamin D. Interestingly Vitamin D is like a hormone that plays a vital role in bone health, immune function, and overall mood regulation.
By opting for mineral-based sunscreens with non-nano zinc oxide and non-nano titanium dioxide, we can protect ourselves from harmful UV rays without introducing endocrine-disrupting chemicals into our bodies or the environment.
Dr. Garrett is the founder of Core Chiropractic in Birmingham, AL. While most health care is focused on temporary relief, the staff at Core Chiropractic focus on creating solutions to a wide spectrum of health conditions. Connect with Dr. Garrett at (205) 206-9341 or via online form.
