li·po·somes (LIEpohzohms) n. tiny balls of lipids (fats) derived from a mixture of water and phospholipids that deliver moisture to the skin and are used in moisturizers. Because of their small molecular size, they are able to penetrate the cell wall particularly well. They are able to absorb water-soluble nutrients and vitamins. Once applied, stored nutrients and vitamins are released into the skin or hair.
I just made a post about these as nanosomes a couple of days ago, so I thought you guys deserved a proper explanation. See how nice I am to you? Tons of products use liposomes, including the Murad Firm and Tone Serum ($72.50).
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