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Q: You should use a SPF of at least what?
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What rays does SPF block?

Should be UVA and UVB. Read the labels, and use at least SPF 15 up to SPF 30 if you are very fair or freckle easily.


What SPF sunscreen you should use to exercise outside?

If you are exercising, it would be best to use a sunscreen with an SPF of at least 30 and reapply at least every two hours or after sweating.


What is the minimum SPF for UV rays?

i would say that the least sppf you should use is an SPF of 5. it protects you skin, but not for a long amount of time.


What spf should you use?

The high SPF sunblocks should be used and should be reapplied after every 2 hours. SPF 30-45 is sufficient and it should be reapplied frequently when sun exposure is anticipated as mentioned above. It's not necessary (or recommended) to use the absolute highest SPF sunblocks such as 75-100.


What SPF sunblock should you use?

The high SPF sunblocks should be used and should be reapplied after every 2 hours. SPF 30-45 is sufficient and it should be reapplied frequently when sun exposure is anticipated as mentioned above. It's not necessary (or recommended) to use the absolute highest SPF sunblocks such as 75-100.


What side effects are caused by alpha-hydroxy?

AHA products may increase sun sensitivity. Individuals using AHA products should use a high SPF (at least 15 SPF) sunscreen over the AHA formula to protect against burning.


What is the minimum SPF to avoid sunburn?

You should wear at least an SPF level of 30 to prevent from being burned. You will also need to reapply as needed throughout the day to maintain the same level of protection.


What kind of skin protectant should I use before I go wake boarding?

There are different types of skin protection available in different SPF's. But if your wake boarding you should wear an SPF that is not only 40 but that is also water proof.


What SPF sunscreen should one with light skin use?

It is proven that people with light skins, are best protected when using a SPF 50 sunscreen and upwards. Sunscreen has SPF ranging from 8, all the way up to 70. Depending on your skin tone, it is better to be too careful by protecting with a high number SPF.


What SPF number do doctors or pharmacists recommend you use when exposing yourself to the sun?

SPF 20


Can sunburn be prevented?

To prevent sunburn, everyone over the age of six months should use a water-resistant sunscreen with a sun protective factor (SPF) of at least 15. Apply at least an ounce of sunscreen 15-30 minutes before going outside.


I need a moisturizer that has an SPF of at least 15 that won't have a lot of perfumes that attract bugs What can I get?

Try Aveeno. All of their mosturizers are fragrence free and have SPF in them.