Cosmetics Products Analysis


ปรับค่า ph ของ Stabilized Vitamin C (Natural-C Clycol) Serum

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Adjust the ph value of Stabilized Vitamin C (Natural-C Glycol) Serum.

Postby kalyaneechatree20 » Mon May 21, 2018 8:43 am

Hello..please ask Subject to adjust the Ph value of stabilized vitamin c (Natural-C Clycol) Serum I want to know how to adjust the ph to be suitable and how to adjust it.. Please ask for advice.. *******thank you very much********
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Re: Adjust the ph of Stabilized Vitamin C (Natural-C Glycol) S

Postby staff » Mon May 28, 2018 10:54 pm

Hello, the purpose of adjusting the pH of the members. Is for production or Triethanolamine ? Triethanolamine little by little until the pH rises to 3.5. Adjust it higher, because higher pH will cause Vitamin C deteriorates faster.
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