What is SPF?

SPF, or Sun Protection Factor,is an estimate of how well a sunscreen can protect skin from UVB radiation which causes sunburn, damages skin, and contributes to skin cancer. If a person’s skin would normally burn after 10 minutes in the sun, applying an SPF10 will mean the person’s skin will only burn 100 minutes if they applied the sunscreen correctly. However, this is not an accurate measure and should not be used as a guideline. The method of application, thickness, environment and sun intensity all play a part.

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