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The topical GHK copper, however, is unrestricted and legally recognized as a safe cosmetic peptide

VEGF promotes vascular sympathetic innervation and appears as one of the modulators of vascular sympathetic innervation [304,305]

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Importance of purity evaluation and the potential of quantitative 1H NMR as a purity assay: Miniperspective

Given their ability to regulate physiological mechanisms, research has increasingly focused on harnessing naturally-occurring peptides to develop new therapeutic tools [3]