Hello, this recipe, please refer back to this thread
topic11130.html and add on
Licochalcone A 20% must be dissolved in any type of glycol. Further recommended
Butylene Glycol 3% to act as a melt, ka, and more, because many skin care ingredients are used. Learn to consider choosing ingredients that help.
นำพา eg
Dimethyl Isosorbide (DMI) 1-2% to make the formula more effective.