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Cosmetics Formulation Development


สอบถามการใช้ Stabilized Vitamin C (Natural-C Glycol™) Serum

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Ask about the use of Stabilized Vitamin C (Natural-C Glycol™) Serum.

Postby neverland_32 » Mon Mar 05, 2018 11:56 am

Ask if using Stabilized Vitamin C (Natural-C Glycol™) Serum that says the ph is in the 2-3 range, if you want to increase the ph, you can add Triethanolamine 99% or not to get ph 3.5-4 Thank you.
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Re: Question about using Stabilized Vitamin C (Natural-C Glycol™) Se

Postby neverland_32 » Tue Mar 06, 2018 7:18 pm

I just ordered it and I'm afraid of losing it. Please help me answer. It's supposed to arrive tomorrow. thank you very much
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Re: Question about using Stabilized Vitamin C (Natural-C Glycol™) Se

Postby staff » Sun Mar 11, 2018 7:50 pm

Hi, it can be done, but the pH should not be adjusted higher than 3.5 as higher pH will cause Vitamin C type ascorbic acid can deteriorate quickly
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