What SPF sunscreen should I use?

Nicole needs to know…Is there a really big difference between using SPF 15 and SPF 30 facial moisturizer? If so, why? I was told to wear 30 in order to prevent rosacea flare ups. The Beauty Brains reply Skin exposure to UV rays is almost never good for the skin. It causes sun burn, wrinkles, dryness, and as you’ve implied, rosacea flare ups. This is why the most important thing you can do for your skin is to wear a sunscreen or stay out of the sun. But what kind of sunscreen should you use? SPF Before answering this, we should first tell you what the SPF number means. SPF stands for sun protection factor and it essentially is a rating of how much UV light will be blocked. In general, a higher SPF number offers more protection from UV exposure than a lower number. How effective it is depends on many factors but the number one factor is your skin type. SPF 15 means that if you would normally burn after being in the sun for 20 minutes, you will be able to stay in the sun for 15 times as long or 5 hours. But it is important to note that the SPF scale is not a linear one. An SPF 2 will block 50% of the UV light while an SPF 15 will block 92% of all the UV light that reaches your skin and an SPF 34 blocks 97% of the UV light. SPF effectiveness Although skin type is the number one factor is determining the effectiveness of a sunscreen, it is not the only factor. The intensity of the sun and the amount that you apply is also important. It’s this second factor that is most relev...
Source: thebeautybrains.com - Category: Consumer Health News Authors: Source Type: blogs