Cosmetics Formulation Development

1. Suggestions to use the amount not more than ....%, calculated from where? For example, not more than 3% is 3% from the amount of substance in the sling or not. or 3% of the total formula ingredients And how to calculate or roughly estimate the amount by yourself? 2. Extracts that come in powder form To mix in the water-phase part. You mean it has to be mixed with water? So what water do you use mixed with propolis water / น้ำกลั่น ? น้ำกลั่น /filtered water /or do I have to buy specific water? 3. If in our formula Most of the ingredients are oil and powder form, but a small percentage should be used สารสร้างเนื้อครีม and should use สารสร้างเนื้อเจล good ? thank you

Hello, all 3 questions asked by members will be answered at มือใหม่กรุณาอ่านที่นี่ - Please read before asking questions. yes