It was suggested that the peptide may promote the elongation of hair follicles and the proliferation of dermal papilla cells (DPCs), which are specialized fibroblasts with a potential to increase the growth and development of hair follicles
Some practitioners implement cycling approaches (such as 12 weeks on, 4-8 weeks off), though no published research directly compares continuous versus cycled protocols
At JSJ Aesthetics, B12 injections are among the most popular options, often used to support energy production, metabolism, and cognitive function
(PubMed) Desmond MA, Sobiecki JG, Jaworski M, et al
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