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The maximum amount that Polysorbate 20 and Polysorbate 80 how many percent of water and oil can combine? Then you can only put one or you have to put both.

If you're using Milk Lotion Maker 3-4%, you'll need heat. Mix it with Polysorbate 20 with Polysorbate 80 can it be used to combine water and oil in toner formulas?

Hello, I would like to ask how to make a toner with oily ingredients such as น้ำกลั่น 80-90% Rose Hip Oil (Chile, Extra Virgin Organic Fresh) 10-20%, which ingredient can we use to combine water and oil? Please advise.

Then if add L-Carnitine ( Carnitine ) 3% Rice Vitamin 2 % GlucoBright™ ( Acetyl glucosamine ) 4% can you do it?

Hello, Vitamin E (Tocopheryl Acetate) refrigerate 4-8 degrees yes 3 years old, but if mixed into cream and put สารกันเสีย and store at room temperature. Will it be able to stay up to 1 year? The room doesn't have a refrigerator. Thank you.

Hello, I will mix the toner. Please take a look at the recipe. Be the person in front of it 1. Witch Hazel (Alcohol Free) Plus Allantoin 86.8% 2. Willow Bark Extract (Natural Salicylic Acid) 5% 3. สารสกัดมะหาด (Oxyresveratrol) 5% 4. Disodium EDTA 0.2% 5. 1,2-Hexanediol 3% Thank you.

Hello, please take a look at that. whitening that I have chosen, does it perform duplicate functions? 1. Alpha Arbutin (China) 2. Tranexamic Acid (Trans-White™) 3. สารสกัดมะหาด (Oxyresveratrol) 4. Safe-B3 ™ ( Vitamin B3, Niacinamide ) 5. GlucoBright™ ( Acetyl glucosamine ) 6. MSH White Absorb™ 7. Sy...