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Applying sunblock over a moisturizer with SPF = what result?
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bkkgirl
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Mon Feb 05, 2007 4:39 pm      Reply with quote
I wonder what would be the result of putting on a sunblock SPF 55 over a moisturizer that already has SPF 30 in it.

Which SPF would win?

Or would you get any added benefit of using two together?

Or would they cancel each other out?
Tangal
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Mon Feb 05, 2007 5:11 pm      Reply with quote
you would only get an SPF 55. They do not add up.

And depending on your moisterizer, and how "wet" or "oily" it is.

It could cause the sunscreen "topper" to stick poorly or unevenly, affecting SPF total.

If moisterizer is fully absorbed this is not normally an issue.

You should not apply a moisterizer over a sunscreen, because of possible issues in relation to sunscreen adhirance to skin.
bkkgirl
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Mon Feb 05, 2007 5:35 pm      Reply with quote
Tangal wrote:
you would only get an SPF 55. They do not add up.

And depending on your moisterizer, and how "wet" or "oily" it is.

It could cause the sunscreen "topper" to stick poorly or unevenly, affecting SPF total.

If moisterizer is fully absorbed this is not normally an issue.

You should not apply a moisterizer over a sunscreen, because of possible issues in relation to sunscreen adhirance to skin.


Thank you! You definitley cleared up my confusion.
skincareaddicted
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Wed Feb 07, 2007 1:07 am      Reply with quote
Hi Cherisse,

I have always heard that applying 2 different SPF products will dilute the SPF to the lowest number. so 55 plus 30, would be 30. I think if you're mixing chemical SS with physical SS, they might degrade each other also. I would keep the products separate for sure.

Kristen

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