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A member asked:
Why do sunscreen companies use chemical ingredients when they make their products?
3 doctors weighed in across 3 answers
Clear solution: Whike sunblocks such as titanium oxide or zinc oxide may provide complet blocks, they are generall opaque and not cosmetically acceptable . Options for micronized g the product make this more acceptable but may effect the spf. Chemical suncreens are capable of providing higher spf and a clear preparation.
Answered 7/24/2012
5.7k views
Needed: They are needed to make the lotions that block the sun rays.
Answered 7/27/2012
5.7k views
Necessary: They are required for the production of the lotions to block the suns rays.
Answered 7/27/2012
5.7k views
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