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Phytosphingosine SA 0.2% if using PPG-3 Myristyl Ether in solubility, how many % is it needed to dissolve? Thank you very much

Using skincare that contains Lactobionic Acid When applied on the skin, it is necessary to wait 15 minutes for the substance to work before applying the next skincare like BHA , AHA Thank you very much.

I would like to inform more information. - This formula needs to be used only in the evening, use 3 days a week. Thank you very much.

- Formula style, want to use it as a slap water. It has a slightly thicker texture than water. Use it as the first step after washing your face. - Skin type, age 40 years old, skin is starting to become rough, pores are wide, there are สิวอุดตัน blackhead, wrinkled skin, oily skin, dehydrated - want...

This thread just informs information. The body Tetrapeptide-21 in the additional fields, techniques, usage rate data. I'm different In additional fields, usage rate: 0.5-5% (recommended 3%), in technical fields, usage rate: 0.5% - 2%, recommended usage rate: 1%, thank you very much.

- Licorice Extract (Glabridin 90%) Oleanolic acid, besides soluble in Butylene Glycol  or ethanol  and any other solvents? That can dissolve these 2 substances. - And if you put these 2 substances in the recipe, is it necessary to mix oil in the formula as well? - If using Hydroxyethyl Cellulose (...

Ask more Forgot to type in the previous thread and should use Lactic Acid (AHA) Neutralized how many % is enough? to the effect of ผลัดเซลล์ผิว Well, thank you very much.

Lactic Acid (AHA) Neutralized If added to a formula, the formula has a PH value greater than 4 Lactic Acid (AHA) Neutralized will still be active in ผลัดเซลล์ผิว Are you there? Thank you very much.

Calcium Pantothenate feels as gooey as Panthenol Thank you very much.

In the Live Yeast Cell Derivative (LYCD) storage information, mixed cosmetics should be kept refrigerated. Is it compulsory that it only needs to be refrigerated? If not refrigerated, what will be the effect? Thank you very much.