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Glycerin Definition: Also called glycerol; it is present in all natural lipids (fats), whether animal or vegetable. It can be manufactured by the hydrolysis of fats and by the fermentation of sugars. It can also be synthetically manufactured. For some time it was thought that too much glycerin in a moisturizer could pull water out of the skin instead of drawing it into the skin. That theory now seems to be completely unfounded. What appears to be true is that glycerin shores up the skin's natural protection by filling in the area known as the intercellular matrix and by attracting just the right amount of water to maintain the skin's homeostasis. There is also research indicating that the presence of glycerin in the intercellular layer helps other skin lipids do their jobs better. Products that Contain Glycerin:
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