Here are some friends with simlar question as we.And I have this question for many days,anyone help us?
Kitty said: Yes.SPF on sunblock indicates time we can stay in the sun without sunburning. THen w-I try seach this on internet but no results found.Maybe this is a stupid question.
Mike said: oh,no,you are wrong.I have found as below for this question(SPF on sunblock indicates time we can stay in the sun without sunburning. THen w),it will help you,my kids.
Answers:
no sunscreen is completely safe for any extended time so you must always use a hat and shirt as well. you need to reapply sunscreen because you sweat, you swim and it is slowly absorbed into your skin.
Other Answers:
Because on the the highest SFP is 40, so that would mean every 40 mins, less then an hour to reapply
The Spf stands for sun protection factor. that is how long you can wear that coat of sun screen without burning. If the SPF is 45 then you must reapply in 45 minutes to start over.
No,SPF only indicates the strength of the blockage lotion. You need at least 15 but you must reapply it every hour because it evaporates and becomes non-effective.
Answers:
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Kitty said: Yes.SPF on sunblock indicates time we can stay in the sun without sunburning. THen w-I try seach this on internet but no results found.Maybe this is a stupid question.
Mike said: oh,no,you are wrong.I have found as below for this question(SPF on sunblock indicates time we can stay in the sun without sunburning. THen w),it will help you,my kids.
Answers:
no sunscreen is completely safe for any extended time so you must always use a hat and shirt as well. you need to reapply sunscreen because you sweat, you swim and it is slowly absorbed into your skin.
Other Answers:
Because on the the highest SFP is 40, so that would mean every 40 mins, less then an hour to reapply
The Spf stands for sun protection factor. that is how long you can wear that coat of sun screen without burning. If the SPF is 45 then you must reapply in 45 minutes to start over.
No,SPF only indicates the strength of the blockage lotion. You need at least 15 but you must reapply it every hour because it evaporates and becomes non-effective.
Answers:
correctness,It's Non-profit and only for informational purposes.
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