Epigenetic mechanisms activated by GHK-Cu increase skin collagen density in clinical trial (IRB-approved 21-woman NEEL gel trial
11 In some sensitive individuals this could mean they are best advised to avoid sulfur donor supplements like NAC
The gap is in scale and independent replication
.GHK-Cu Evidence A small clinical study in people with hair loss found that a topical product containing GHKCu could increase hair follicle size and density, with results in the same general range as lowstrength minoxidil, and with fewer scalp side effects reported by users [10]
Zhao G, Yuan H, Li Q, Zhang J, Guo Y, Feng T, et al
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