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Sat Feb 12, 2011 3:34 pm  |
Hi,
I've made my own Vit. C serum with L-ascorbic acid, Distilled water, and Hyaluronic acid. I know the amounts to use for the percentage of vit. C.
But I read that the serum should have a pH of 3.5 or lower to be effective. HOW can i tell what the pH is?
Thanks |
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Sat Feb 12, 2011 5:10 pm |
| LindaJane wrote: |
Hi,
I've made my own Vit. C serum with L-ascorbic acid, Distilled water, and Hyaluronic acid. I know the amounts to use for the percentage of vit. C.
But I read that the serum should have a pH of 3.5 or lower to be effective. HOW can i tell what the pH is?
Thanks |
Hi LindaJane, you can buy pH Level Test Strips/Test Papers to test the pH level in skin care/Serums etc. Here is a link to read up on and you should be able to buy them from most Chemists and Pharmacies.
http://www.vivawoman.net/2010/06/07/how-to-test-the-ph-level-of-your-skincare/ |
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