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Physical v chemical sunscreen1/22/2024 However, different sunscreens may work better for different parts of the body. That includes your neck, chest, arms, and legs. You should wear a physical sunscreen every day (spring, summer, fall, and winter) on any part of your body exposed to the sun. Even on a cold, cloudy day, your skin gets exposed to and damaged by UV rays. Sunscreen is a vitally important step in your daily skincare regimen. A true reef safe sunscreen only contains physical sunscreens as protectants. Be careful about buying sunscreen labeled “reef-safe.” That term is not regulated by any governing agency. Many beaches have banned chemical sunscreens to protect wildlife. Physical sunscreens, aka sun blockers, do not harm reefs. However, enough people love the beach and visiting coral reefs that the ingredients from chemical sunscreens are damaging the reefs. If you haven’t, it’s time to start thinking about it. Maybe you’ve heard the buzz about reef safe sunscreen, maybe not. What is Reef Safe Sunscreen and Why Do You Need It? Until it’s understood how these chemicals affect the body long-term, it’s best to avoid them. There’s growing evidence that some of these ingredients can disrupt the endocrine system, the system that controls hormones. Many of them are absorbed into the skin and remain in the body long after application, showing up in blood, urine, and breast milk. However, these ingredients can be problematic. The most common chemicals used in these types of sunscreens include homosalate, octinoxate, avobenzone, oxybenzone, octisalate, and/or octocrylene. These chemicals have a saturation point, which is why you need to reapply the sunscreen according to the manufacturer’s recommendations. Rather than creating a physical battier, these sunscreens contain chemicals that absorb UVA and/or UVB rays. The Journal of Investigative Dermatology has deemed zinc oxide safe, and titanium dioxide has gone under similar scrutiny and found to be safe and effective.Ĭhemical sunscreens work a little differently than their physical counterparts. They need to be applied regularly, according to the manufacturer’s instructions, to replenish that barrier. These powdery minerals prevent UVA and UVB rays from penetrating the skin and causing the kind of skin damage that leads to fine lines and wrinkles and contributes to the development of skin cancer. These formulas contain two main sun-blocking ingredients-zinc oxide and titanium dioxide. They’re more accurately called sunblock or sun protectors than they are sunscreen. Physical sunscreens create a barrier between the skin and the sun’s rays. chemical sunscreen and why you might want to switch your sunscreen for a formula that’s safer and better for you and the environment. Keep reading to get the information on physical vs. While the choice between the two used to be a matter of personal preference, we now know there are serious consequences to our choices in sunscreen. There are two broad sunscreen categories from which to choose-physical and chemical. Daily sunscreen use lets you step into the sunshine with a layer of protection to prevent damage from harmful UVA and UVB rays. It’s good for the mind and provides necessary vitamin D. That is until you realize those delicious rays can seriously damage your body’s first and largest protective layer-your skin. There’s something magical about feeling the warmth of the sun on your skin.
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