Jimbo H, Nagai H, Fujiwara S, Shimoura N, Nishigori C
I could start a long explanation about the role of B12, B6, folic acid and zinc in relation to iron uptake (or not!) but it's so complicated that I'd likely confuse myself (and you, in the process)
We spoke with several board-certified dermatologists and certified trichologists to find out
One reason topical GHK-Cu efficacy varies so much between users is that the peptide struggles to penetrate intact skin
Warning & Precautions: This combination (Vitamin B1+B6+B12) should be avoided in case of hypersensitivity to thiamine, cobalt or any other component of these ingredients
10.1038/s41586-018-0119-x Nature 160 RothhammerV.MascanfroniI