want to mix Pure-Melatonin 3% Phytosphingosine 0.5% Ferulic Acid 1% Glycyrrhetinic Acid 2% WhiteCumin™ 0.2% น้ำหอม 0.5% Just as I saw on the page of the raw material can use Ethyl Alcohol in solubility But there is no information about the ratio. So I want more information. (I will mix the ingredien...