Cosmetics Formulation Development


สอบถามเรื่อง Niacnamide กับ L-ascorbic acid ครับ

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Ask about Niacnamide and L-ascorbic acid.

Postby rooss1612 » Fri Nov 22, 2019 1:33 pm

Feel free to ask questions about using the serum. If using a serum with Niacinamide 10% is the first bottle of serum. and want to use the second bottle of serum that is L-ascorbic acid 10% can be used together or not? Recommend and how to use as well, for example, may leave a few minutes away from the first bottle of serum. or cannot be used together at all Thank you in advance
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Re: Question about Niacnamide and L-ascorbic acid?

Postby llerickll » Fri Nov 22, 2019 8:53 pm

After washing your face, apply a low pH body first, for example AHA , BHA , L-ascorbic acid and leave it for 10 20 minutes, wait for it to absorb, then apply the care at normal pH, for example Niacinamide
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Re: Question about Niacnamide and L-ascorbic acid?

Postby rooss1612 » Fri Nov 22, 2019 9:02 pm

Show that the serum has L-ascorbic acid can be used with serum containing Niacinamide can, just have to leave about 10-20 minutes apart, right? L-ascorbic acid cannot be used with Niacinamide because it will make the two serums contradict each other. I can't expect any results. Thank you.
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Re: Question about Niacnamide and L-ascorbic acid?

Postby staff » Sat Nov 23, 2019 11:21 pm

Hello, you can use it continuously, 10-20 minutes apart, as suggested by llerickll members, but cannot be mixed in the same formula.
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