Question: Which statement regarding the sun protection factor (SPF) is incorrect? SPF measures protection for both UVA and UVB SPF measures protection for UVB An SPF

Which statement regarding the sun protection factor (SPF) is incorrect? SPF measures protection for both UVA and UVB SPF measures protection for UVB An SPF of 30 blocks approximately 97% of UVB AN SPF of 50 blocks approximately 98% of UVB

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