โดย: เจ้าของร้าน เมื่อ:3 ปีที่ผ่านมา
What is glycerin? Glycerin, or glycerol, is derived from plant-based oils. It also occurs naturally in fermented goods, such as beer, wine, and bread. This ingredient was “accidentally” discovered in 1779 by a Swedish chemist heating up an olive oil mixture. He identified the resulting fat as glycerin. Since the mid-…