From the information on the product page of Zinc PCA stated that "*Not compatible with Azelaic Acid , Hi-EGCG™ , Melatonin Forte™ , Atopi- Telmesteine ™, Four-EO™ *" Don't know if Zinc PCA + Hi-EGCG™ What's going on? If you want to modify it into 2 separate formulas, for example apply the first f...