It's a new generation sunscreen agent that was specifically designed for high SPF and good UVA protection and based on a 2007 study that compared 18 sunscreen agents available in the EU it really had the best SPF protection (they used the highest concentration allowed by EU regulations from each 18 sunscreens and Trinosorb S gave an SPF 20 all by itself). Polyglyceryl-4 Diisostearate/Polyhydroxystearate/Sebacate “Also, avoid applying powder sunscreens in windy areas to ensure all of the product actually makes it onto your face.Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine “I recommend pouring about a teaspoon of powder sunscreen on the back of your hand and then applying it to your face,” Svidzinski said. However, when used for touching up, powders can provide supplementary SPF (especially in the hot summer months), as long as you apply enough. Powder sunscreens are not effective for initial sunscreen application because they’re “not easy to get enough applied to the skin, or get an even application, to make them an effective method of UV protection,” according to Cula Svidzinski, a dermatologist at Mount Sinai. SPF powders, while not suitable as primary sunscreens, can be useful for reapplication-if used liberally. Proper reapplication for full SPF protection throughout the day can be tricky: Having to stop what you’re doing every two hours to smear on a fresh layer of lotion sunscreen is already daunting enough-and it’s even trickier if you’re wearing makeup. Powder sunscreens are mineral-based sunscreens that resemble setting powders. (We recommend using our main sunscreen pick if you’re going to be outside playing sports or swimming.) Yet water resistance can be helpful if you do wind up sweating or getting caught in the rain. Water resistance: Again, this is often less critical in a facial sunscreen.For example, glycerin is a common ingredient in moisturizers that we also identified in a couple of plain old sunscreens. But there’s no hard-and-fast difference between a sunscreen and a moisturizer with added sun protection. Our testers tended to find the moisturizers more hydrating (and differed on whether that was a good thing). Moisturizing: Although we primarily looked for a sunscreen that would protect skin from UV radiation, we considered several options that were advertised as moisturizers with SPF.Plus, the smaller bottles common to facial sunscreens are easier to keep in a bathroom cabinet or toss in a bag. Facial sunscreens are formulated to be a little less oily, something that was borne out during testing and confirmed by our sources. A formula marketed specifically for the face: Though sunscreens designated for use on the body will protect your face just as well, for this guide we stuck mostly with options advertised as facial sunscreens.Our main sunscreen guide includes a more-detailed explanation of the differences among chemical, physical, and combination sunscreens, as well as information on ingredient safety and effectiveness. Sunscreens that rely on both types of blockers are known as combination sunscreens. ![]()
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