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We briefly had nanozinc, which works for hours, stays on in the water, and is good for skin. But it was cancelled in a bout of consumer hysteria based on nothin
by beefman 3y ago
We briefly had nanozinc, which works for hours, stays on in the water, and is good for skin. But it was cancelled in a bout of consumer hysteria based on nothing. Fifteen years later we're still stuck with chemical sunscreens that are irritating, work for 30-60 minutes at a time, wash off in the water in 2 seconds, and may actually be bad for health.
- pixl97 3y ago>Upon inhalation of ZnO nanoparticles, serious local effects in the lung were observed. Even if this may be due to the solubilized Zn ions, the effects are a direct result of the exposure to the ZnO nanoparticles. Therefore, the SCCS is of the opinion that, on the basis of available information, the use of ZnO nanoparticles in spray products cannot be considered safe.
- TedDoesntTalk 3y agoThere are many zinc oxide sunscreens today that market themselves as "non-nanoparticle" for this very reason. Pro tip: don't ever use spray-on sunscreen, especially around children who can't hold their breath.
- slaymaker1907 3y agoIt's sometimes useful for areas with a bit of hair, but not enough hair to protect the skin from the sun. However, if you do use spray sunscreen, also make sure to do it outside or other very well ventilated area.
- beefman 3y agoMany sprays and powders are harmful to lungs, including zinc oxide particles of any size. SCCS concluded nanozinc in non-spray sunscreens is safe https://ec.europa.eu/health/scientific_committees/consumer_safety/docs/sccs_o_137.pdf https://ec.europa.eu/health/scientific_committees/consumer_s...