Lastly, because mineral sunscreen doesn’t absorb into the skin, you will likely need to apply it more frequently than chemical sunscreen, especially after swimming or sweating. But technology has advanced drastically over the years and more sunscreens are on the market than ever that offer minimal white-cast or residue. The known drawback of mineral sunscreen is that it can give off a white cast, which can be particularly frustrating for those who have dark complexions. Because mineral sunscreens sit on top of the skin and don’t need to absorb into it, there is no need to wait for sun exposure after application. Mineral sunscreens, or the active ingredients in them like zinc oxide and titanium dioxide, are small particles that sit on the skin’s surface and physically prevent UV rays from penetrating the skin. More on that later! What is mineral sunscreen? Some of those ingredients, like oxybenzone and octinoxate, are also known pollutants to the ocean, coral reefs, and marine life. And while it's lighter and sheerer upon application, chemical sunscreen may not be suitable for children and sensitive skin types. Chemical sunscreen is quick and easy to apply, but you'll need to wait up to 30 minutes before heading outside to allow it to fully absorb. Once the light is absorbed into the skin, the chemicals in the sunscreen-most notably: oxybenzone, avobenzone, octisalate, octocrylene, homosalate, and octinoxate-create a chemical reaction in which the UV light is converted to heat. What is chemical sunscreen?Ĭhemical sunscreens work by allowing UV light into the skin. It’s important to understand the difference so that you can choose which one is best for you, your skin and aligns most-closely with your values. Both provide broad spectrum protection (protect against UVA and UVB rays), but each has unique pros and cons. When it comes to choosing the best sunscreen for you, you'll be faced with the decision of choosing between mineral or chemical sunscreen. So, what’s our best defense against the unwanted consequences of sun exposure? It’s to use sunscreen on a daily basis. The most notable damaging effects being skin cancer and premature aging. Too much exposure to UV rays, like those found in the sun, can do serious harm. It gives us Vitamin D, helps boost our mood, and strengthens our immunity.
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