A Little Info on SPF's

It wasn't so long ago that we were lathering ourselves in oil and baking in the sun. now it is suggested we do the opposite. There are many differing opinions about the sun and how much, if at all, we should protect our skin from it. 

We know we need the sun for Vitamin D synthesis, the lack of which is linked with many heath issues, but how much? During the summer months 10-30 minutes in the noon day sun with most of your body exposed is sufficient, the fairer the skin the less time needed.

Then what..? How do you protect from over exposure?

  • Cover up - hats, clothing, unbrellas
  • Eat antioxidant rich foods, Skin Antioxidant supplement
  • Go out before 10am or after 3pm 
  • Sun Screen

There are two kinds of SPF. Chemical - absorbs UV rays and Physical - reflect UV rays. The downside to a chemical filter is that a chemical action happens on the surface of the skin, so you always want to see anti-oxidants alongside them. There is also the worry that around 1% may penetrate past the skin. The downside to Zinc and Titanium is that it can be thick and often leaves a whitish look to the skin. 

I use an IMAGE broad spectrum SPF 50 blend on my face daily. It is light-weight, hydrating and jam packed with antioxidants and plant stem cells. Because the face is such a small area I am less concerned with ingredients that might have the ability to penetrate the skin. I use a Zinc block on my body when I will be outside for more than an hour or two.

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  • SPF 15 sunscreen blocks 93 percent of UVB radiation
  • SPF 30 sunscreen blocks nearly 97 percent
  • SPF 50 blocks an estimated 98 percent

As you can see the amount of radiation protection doesn't differ much between an SPF 30 to a 50. The biggest difference is the length of time it will protect you for.  Times the Number SPF by the time it would take you to burn ie. 30SPF x 10 minutes  = 300mins. You will still need to reapply every hour or 2 within the this time, then - get out of the sun!

Alway's look for a Broad Spectrum SPF to protect from UVA & UVB.