Cosmetics Formulation Development

Hello, I'm about to mix water for normal to dry skin from the recipe at the staff. Used to answer customers 1. Galactomyces Ferment Filtrate (Pitera) , the rest complete 100 % 2. Double Hyaluron Liquid 5% [replace Hyaluronic Acid Standard /Nano which will be in powder form. and harder to use] 3. Vitamin B3, Niacinamide (Safe-B3™) 5% 4. Phenoxyethanol SA 0.2% [down from 1% because Pitera used in large quantities in the formula contains สารกันเสีย come from the manufacturer] 5. Vitamin B5 1% 6. Ethoxydiglycol 5% helps skin to absorb ingredients better 7. Flora Solve Clear 1% allows the formula to adhere to the skin. Better face. I want to know. 1. Mix and then store it in the refrigerator or not? 2. The age of this slap water is based on the expiration date of which substance? 3. The 4th substance can't be worn?

Hello, this formula recommends to reduce Ethoxydiglycol to 2.5% and cut Flora Solve Clear discard and cut สารกันเสีย (4) Discard 1. It's better to keep your cosmetics in the refrigerator, always hot or at room temperature. 2. Please find out more about the shelf life of the formula. You can get it from here topic10408.html

Thank you for the answer. Tried it and it smells of - Ethoxydiglycol is quite strong, is there any way to reduce this smell?

Hello, if not add น้ำหอม to mask the smell of the ingredient. might consider trying Odor-Kill 1% to help reduce the smell. but may not be able to reduce until there is no smell left