What does SPF 30 mean?

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SPF stands for sun protection factor. Higher SPF numbers would allow a person to be in the sun longer without burning. SPF 30 means that your skin will not burn until it has been exposed to 30 times the amount of solar energy that would normally cause it to burn. In other words, if you start to burn at 10 mins, applying an SPF 30 would know take 300 mins. to start burning (30x10= 300). However, there are many limitations to this rating (time of day, skin type, uv index, sunblock brand, water, sweat etc...) Also, SPF is just the protection factor against sunburn or UV B radiation and does not have any relation to UV A radiation, which causes long term skin damage.
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Can Spf 30 tan?

Answer . Yes. But very, very, slowly. It will take you twice as long than if you used Spf 15.

What does SPF 50 mean?

SPF 50 stands for Sun Protection Factor 50, so if the normal time to get burnt is 20 minutes you will be safe for 50 times that.

Is SPF 50 better then SPF 30?

From the Journal of The National Cancer Institute: According to Weinstock, the cap on SPF labeling is not a major issue for the public as a whole. "I think that if the gene

How long does spf 30 last?

It can last up to around 1 day, but that's pushing it. you should really re-apply yourself with spf30+ every 1 1/2 - 2 hours Hope this helped

What does SPF 45 mean?

SPF stands for Skin Protection Factor. 45 is the level of protection it produces. 45 is quite a good SPF. It is mainly used in sun creams.

What does spf 45 means?

"The sun protection factor of a sunscreen is a laboratory measure of the effectiveness of sunscreen --- the higher the SPF, the more protection a sunscreen offers against UV-B

How long does spf 30 protection last?

The protection lasts as long as the sunblock is still on your skin.But of course, it will get washed off the next time you shower.Chances are it will last only for a day. Most
In Skin Care

Is SPF 30 suits oily skin?

i think no...because...upto 15 spf...those included moisturizer...nd oily skin have so much in winters specially...
In Health

What do the letters SPF mean?

sun protection factor. Its a fairly arbitrary number symbolizing the protection given to your skin from UV rays when applied properly.
In Uncategorized

What do SPF ratings on sunscreen mean?

The Sun-protection factor system measures the length of time asunscreen will protect your skin from reddening / burning from UVBrays, compared to how long your skin would take
In Skin Care

What does SPF mean on suntan location?

It means Sun Protection Factor . In basic terms, it's supposed to indicate how many times the lotion is supposed to improve the sun-blocking capability of your skin. So an SP