SPF, UVA protection, and waterproof may be one of the first words that come to your mind when it comes to sunscreen. However, there are many conflicting theories and controversies on the efficacy of sunscreen products in the US.

In our quest to help consumers find the most optimal sun protection options, International Business Times (San Francisco Edition) has compiled 10 useful tips about sunscreens.

Click Start to see our 10 tips:

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Red, sore, blistered (then peeling) skin is a clear sign you’ve gotten far too much sun. Reuters
Sunscreen is neither waterproof nor sweat-proof.
Sunscreen is neither “waterproof” nor “sweat-proof.” Reuters
A sunscreens ingredients are directly connected to its level of protection.
A sunscreen’s ingredients are directly connected to its level of protection. Reuters
Chemical sunscreens absorb UV rays and may penetrate the skin and disrupt the bodys hormone systems.
A new drug may soon provide some relief to thousands of patients suffering from psoriasis. Reuters
The main source of vitamin D in the body is sunshine,
The main source of vitamin D in the body is sunshine. Reuters
Consumers are advised to shop for sunscreens that do not contain vitamin A additives, according to FDAs preliminary report.
Consumers are advised to shop for sunscreens that do not contain vitamin A additives, according to FDA's preliminary report. Reuters
Apply sunscreen about an hour before going out in the sun .
Apply sunscreen about an hour before going out in the sun . Reuters
Sunscreen is neither waterproof nor sweat-proof.
Sunscreen is neither “waterproof” nor “sweat-proof.” Reuters
It is not a good idea to skip your sunscreen on overcast days.
It is not a good idea to skip your sunscreen on overcast days. Reuters
ACS logos does not endorsed the product.
ACS logos does not endorsed the product. Reuters
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