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Tue Aug 14, 2018 4:56 pm  |
| I want to add germall plus as a preservative for a basic vitamin c serum..does anyone know the percentage I should add for a 1 oz solution of 15% vitamin c, and distilled water...is it even doable? TIA in advance |
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39, fair skinned redhead, .1%micro retin A, lighstim, dermaroller 1.0, Patakara, vitamin c homemade, occasional skin bio peptides and lactic cream |
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Sun Jan 27, 2019 9:44 pm |
Liquid Germall Plus has been found effective at use levels between 0.1% – 0.5%.
I found this on their website.
Good luck. |
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| Thu Feb 06, 2025 6:31 pm |
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