It's pretty much everywhere - most facial beauty treatments contain between 3 and 5% of glycerin in their formulae. It's also found in body creams and some shower gels or soaps.So what's the big deal? Firstly, glycerin is a stable active ingredient. Secondly, glycerin is present in our bodies, making it naturally suited to all skin types. Beauty treatments contain a plant-based glycerin, extracted from coconuts, soy bean and so forth.