Wrinkle-Fill™ (Acety L-Tyrosine ) that says that it is acidic. If you use 2% in the serum formula, do you need to adjust the acidity or alkalinity more? Or don't worry too much at this point. You can mix it. at all
Hello, it depends on Are there other elements in the formula that help keep the pH from getting too low? For example, if Safe-B3 5% will Helps to keep the pH from going low, so there is no need to add alkaline to help adjust the pH again.
by belle_kanokorn » Fri Feb 04, 2022 7:54 am 
