:)
It's been a while.
Is it Autumn, or Winter in Melbourne? A bit hot for both today?
Sometimes, when you take a photo with flash, you wonder why your face looks ghostly white? Did you check your sunscreen ingredients? Any that contain titanium oxide, zinc, or other light reflecting ingredients will cause your face to have a white cast when being photographed using flash.
Physical Sunblocks, are sunscreens that sit on your skin, so that you don't need to wait the 15-30 minutes for your sunscreen to be "ready". It reflects UV rays, so that it does not get to your skin. It eventually wears off, but does not wear off as fast as Chemical Sunscreens.
Chemical Sunscreens are synthetic substances that absorb into your skin, hence having to wait 15-30 minutes for it to fully absorb and start working. It works by absorbing UV rays, so that it does not get to your skin. After a while, when the chemicals can absorb no more, you should reapply. A good thing about Chemical sunscreens is that it does not cause your face to be ghostly white in photos. :)
SPF IN AUS
You may have noticed that you cannot buy sunscreens higher than SPF 30 in Australia right? This is because Australian regulations only allow sunscreens to be classified up to SPF 30, any sunscreen that is tested to be higher than 30, will only be classified as SPF 30+. This is because sunscreens are "unstable" once passed SPF 30, so yeh... Don't know why though...
Here is the Aussie Sunscreen regulation thing.
http://www.tga.gov.au/docs/pdf/argom_10.pdf
No comments:
Post a Comment