Your Eyes are Priceless | The Value of Indoor Lotion | Are You Seeing White Spots? A Place for Sunscreen The warm summer months mean outdoor play for everyone. Unlike indoor tanning, it's never possible to accurately measure the intensity of natural sunlight. Unprotected exposure for too long will cause sunburn, even in those of us with established tans. The Sun Protection Factor, or SPF, of a product tells us how much longer we can be exposed outdoors when we wear it. For example, wearing an SPF 15 should allow you to stay out 15 times longer before burning than you could without the product. It's especially important for these groups to wear sunscreen outdoors: - People with fair complexions. Skin Type I especially needs protection.
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