Unlike platelet growth factors which will work directly on tendon or ligament cells, BPC-157 doesnt work that way, as it has no effect for example on tendon cells in culture, but does help tendon cells in animals (3)
Kojic acid addresses this whole-face dullness by reducing baseline melanin production, which makes skin look more luminous and even-toned over time
Regarding the HDL levels, there was no between-study heterogeneity (I 2 = 0.0%)
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Reported side effects are rare and typically mild: mild redness or irritation at the application site (usually resolves with continued use or concentration adjustment), occasional skin tingling at higher concentrations (typically benign), and temporary dryness during initial use
sustained growth-hormone-axis stimulation also carries a theoretical, class-wide concern for worsened insulin resistance, a recognized effect of excess growth hormone exposure generally Evidence snapshot: The strongest available evidence is a small 1997 randomized, placebo-controlled human trial (19 adults aged 55-71) testing a closely related GHRH(1-29) analog over 16 weeks, which found increased IGF-1 in both sexes, a significant lean-mass increase in men only, and increased skin thickness in both sexes