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![](./mods/rating/images/star_grey.gif) |
Fri Apr 17, 2009 12:22 pm |
I emailed them with the same question a while ago, and this was the reply I got
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Thank you for your email. The pH of the 2% BHA Solution is around 2.3 and the pH of the 5% BHA Solution is around 1.9. |
But it is in a base of alcohol, which may be very drying... HTH! |
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