Which Sunblock? Which Sunscreen?
asked 1 year ago by cocomo in Sydney
Latest answer by Otto Joseph Placik, MD
Question viewed 183 times
Tags: sensitive skin, sun protection, sunscreen
hey doc, i want to physically block all sunrays, my skin is sun sensitive (which means it tans very easily). so, in my case i want sunblocks which protects me from burning and tanning (both). which ingredient is more powerful in my case.... 1. Zinc Oxide 2. Mexoyl 3. Titanium Oxide.... etc and how much %age also is it okay to use Vit C cream before sunblocks? thanks
2 answers to Which Sunblock? Which Sunscreen?
+1
Sunblock versus sunscreen
Terchnically speaking a sunblock will physcially block the sun's rays and conceptually the denser the block, the more effective the protective effect. Desitin is almost pure zinc oxide but practically speaking it is not a convenient sunblock. Therefore micronized versions are available. As more concerns are raised with the safety of different wavelengths, sunblocks may make more sense then sunscreens which selectively filter out specified wavelengths and not necessarily provide the...
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Otto Joseph Placik, MD
Chicago Plastic Surgeon
Chicago Plastic Surgeon
+1
Sunblock and Sunscreen
Practically speaking these terms are used interchangeably. In theory a sunblock is a "physical" ingredient that actually blocks the rays, zinc oxide and titanium dioxide are good examples of this. "Chemical" sunscreens are exemplified by mexoryl and this particular sunscreen blocks both UVA and UVB the broadest.
They are not really "ranked" according to power although true physical blocks may be slightly more effective than chemical blocks at complete...
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