Many skin care companies utilize proteins secreted by living cells, integrating them into their products. Why? Cells actively secrete growth factors, antioxidants, and proteins that signal to surrounding tissue to encourage growth, healing, and rejuvenation. Simply, cells ātalkā to each other using proteins that they secrete. Those proteins bind to receptors on other cells and instruct them what to do.
There are many products utilizing cell secretions on the market; some are made with various adult human stem cells and even cells from other animals or plants. However, human cells can only interpret proteins from closely related animal species.1 While plant cells secrete proteins like antioxidants that function in the human body, they donāt secrete growth factors that human skin can interpret. In short, the most useful cells for skin care are from the human body. They speak the same language, and we can respond to them.
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Kristen Rueb has a Bachelor of Science and Master of Science in cellular and molecular biology from California State University, Chico. She is an expert in adult stem cell isolation and culture and has helped develop patent-pending methods of producing stem cell conditioned media rich in growth factors for human skin care.
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