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Canada (509,656)
Brock University (12,091)
Science (215)
SCIE 1P51 (142)
Lecture

Sunblock/screen and skin

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Department
Science
Course
SCIE 1P51
Professor
Caroline Starrs
Semester
Winter

Description
42 Skin April0212 1100 AMSunscreenblockchemical sun protectionUltraviolet radiationUVA 320400 nmResponsible for development of slow natural tanUVB 290320 nmProduces new pigment formation sunburn Vitamin D synthesisUVC 200290 nmDoes not reach surface of earthOzone LayerSun protectionSunblockReflect radiationActive ingredients physical agentsZinc oxide250400nmTitanium dioxide260nm360nmSun screenAbsorb radiationActive ingredients UVBCinnamates 280320nmSali
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