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Please ask for knowledge why Niacinamide cannot be formulated simultaneously with formulas containing L-ascorbic acid if the formula containing the above two components is combined in the same formula. What reaction will cause the serum? Or will it affect the face in any way? If in the formula there...

Please ask about mixing the serum for your own use. There are the following compounds - Galactomyces Ferment Filtrate  90 g - Repair Activator 10 g by taking 2 parts mix in a bottle Can I use it directly or not? ** Focus on skin rejuvenation. keep skin healthy To make the skin smooth and bright. PS...

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.

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 t...

As you can see, the color is quite dark. It is expected to be completely deteriorated.

thanks for the information and advice :)

Oxidation of L-ascorbic acid 15%, where the color pigment From clear to light yellow and gradually darken In this case, can we continue to use the serum? Should stop using when the serum changes color immediately. Or should I stop using it in case the serum changes color to dark brown? reducing the ...

Feel free to inquire for knowledge. Serum that contains Magnesium Ascorbyl Phosphate  (MAP) + Niacinamide ( Vitamin B3 ) is in the same formula. Can it be mixed together? because I've read that วิตามินซี should not contain B3 is in the formula, so I'm not sure. But there are many brands of serums ...

If you mix the formula below Can it be mixed? Active Ingredient Galactomyces 50% Hyaluronic Solution 15% Niacinamide 5% Magnesium Ascorbyl Phosphate  5% Acetyl glucosamine 4% Zinc PCA 1% Serum texture, clear or opaque gel. Skin type: Combination (oily skin in T Zone, Dry, U Zone) to oily Expected r...

Please ask how to choose silicone for making base. Which type of silicone gives a light texture and is easily absorbed into the skin? not greasy or heavy skin to be used as a base for making serum วิตามินซี ( L-ascorbic acid ) in the formula there is no water and แอลกอฮอล์ Thank you.