Hello, we apologize that the answers and information on the web page mislead customers. Please explain as follows: Most active ingredients are not resistant to high acidity, including
Activated Resorcinol but removing
AHA to adjust the PH value in the formula does not mean that members have to adjust until The formula is highly acidic. But adjust side by side so that the formula has the pH in the range we want. This is the level appropriate for the active substance in the formulation (as opposed to making gel or cream formulations).
AHA at It must have a low pH for
AHA works at full capacity. In this case, it will be difficult to add other active substances to the formula. because the formula is highly acidic)