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Description
This study involved only non-invasive application of a test hydrogel on the dorsal hand skin of a healthy adult volunteer for photographic documentation
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Using a lower dose outside of established medical guidelines is not the answer, said Velazquez

Vitamin B12 is an essential vitamin for the cells
Unlike other B12 types, it binds well to blood proteins, allowing it to stay active for several days to weeks after administration
The formulation process introduces variables that affect how much active peptide actually reaches the dermal target tissue
