Hello, the ingredients in this recipe can mix together But be careful about the pH as the members are concerned. That's right, the pH in this formula has limitations as follows. some ingredients will not tolerate acidity level 3-3.5 but
glycolic acid (in this formula, use
Ampho-Glycolic ) will work well in the pH range. Below 3.5, the formula may be shorter. (In terms of formulation efficacy - efficacy shelf life of various active ingredients in formulations is not stated in terms of age of sterilization of formulations).
ผลัดเซลล์ผิว must choose 2 ways, one of which is 1. In case of wanting to use a group
AHA ( For example
glycolic acid ) do Page
ผลัดเซลล์ผิว Select the active ingredients in the acid-resistant formulations. which may be a few options and adjust the pH of the formula to below 3.5 so that
AHA works best. 2. If you want to use a variety of active ingredients, keep the pH in the medium range for your skin (5-6).
ผลัดเซลล์ผิว that is not pH-dependent, which now has a variety of options as well. And most of these ingredients are not irritating to the skin like
AHA too