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BIOT Research·2026-07-31
Stem Cell Serum: The Science Behind Culture Supernatants
A "stem cell serum" almost never contains stem cells. It contains culture supernatant — the liquid left after cells have been cultured and removed — which carries growth factors, cytokines and extracellular vesicles. Quality depends on cell origin, culture conditions, purification and stability in the finished formulation. This page is educational and makes no medical claim about any BIOT product.
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