Serums are essential in a daily skin care routine they contain fewer lubricating and thickening agents like nut or seed oils which can sometimes leave the skin feeling clogged up and greasy facial serums spread a long way one pump is enough to nourish the whole face facial serums are made of very small molecules therefore the skin absorbs them much faster and deeper than ordinary moisturiser active ingredients in serums penetrate the skin faster and more effectively the wil