A member asked:

What is the protection difference between spf 30 and spf 60? is spf 60 twice as strong as spf 30?

A doctor has provided 1 answer
Dr. Jerome Litt answered

Specializes in Dermatology

SPF SUNSCREEN NUMBER: GOOD QUESTION. NO ONE KNOWS THE ANSWER! TO PLAY IT SAFER, OR SAFE, USE A 60. SUGGESTION: WRITE TO THE MANUFACTURERS AND ASK THEM . . . THEN LET US ALL KNOW!

Answered 6/24/2015

2.7k views

Thank

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