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Skin and hair point to GHK-Cu
For example, someone working long hours, not eating properly, and sleeping late may notice their skin looking tired even if they use good products
Samples were reconstituted in liquid chromatographymass spectrometry- grade water + 0.1% formic acid (vol/vol) and desalted using Pierce C18 peptide desalting columns (Thermo, 89852) according to the manufacturers protocols
The unregulated research chemical market contains products of widely varying quality, and poor-quality peptides can completely explain treatment failures
10.3390/biomedicines9111506 87 StrinicD.Belosic HalleZ.LueticK.NedicA.PetrovicI.SucicM.et al (2017)
