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Wed Feb 14, 2007 6:25 pm  |
| marcie klimko wrote: |
| Do not mix DMAE with SA. DMAE is alkaline and SA acidic. They will cancel each other. How about DMAE in AM and BHT toner PM? |
Umm, what kind of DMAE are we talking about?
From Dr Todorov of SmartSkincare: "DMAE is an organic amine, a highly alkaline substance. It can only be used on the skin when pH balanced by an acidic counterion, such as tartrate. Pure DMAE cannot be a cosmetic product as it will harm the skin. My guess is that the serum that just says DMAE is in fact a bitartrate (or perhaps lactate or whatever), but it can't be pure DMAE. (If it is indeed pure DMAE, don't use it)."
DMAE bitartrate is dimethylaminoethanol compounded with tartaric acid. When DMAE bitartrate is used in skincare formulations, it inevitably lowers the pH of the formulation. In the appropriate formulation, it will breakdown into its component elements AND penetrate your skin.
In short, it is important to know what kind of DMAE you are contemplating putting on your skin!
You can find more information and links on DMAE Bitartrate and its skincare applications on this link: http://www.bulkactives.com/dmae.htm |
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Thu Feb 15, 2007 8:07 am |
Thank you for that nyonyakay!!! You took the words right out of my mouth.
There is absolutely NO PROBLEM in using DMAE bitartate in an application that has a glycolic, aha, sa, or aa component. And, since DMAE amine isn't available to most of us for use as active ingredient (believe me, I've TRIED), I assumed catski wasn't planning on using the amine form. |
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Tue Feb 20, 2007 9:12 am |
Waffle, I add 2 ounces of the 70% glycolic to 8 ounces of body cream or lotion - that gives you a 14% glycolic solution. I used to leave it at 10% but I wanted something a little stronger. If you want to keep it at 10%, just reduce the glycolic acid accordingly - to be precise, it would be 1.4 ounces glycolic + 8 0unces of your base. You can round it off to 1.5 without any worry though.
I also add DMAE and oil soluble Vitamin C.
Great stuff! |
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