0.3 ghk cu serum GHK-Cu Copper Peptide Hair & Scalp 2oz Supports the improvement of the skin barrier for healthier skin and to even skin tone. GHK-CU 3% COPPER ANTI-AGING PEPTIDE
Description
10.1016/j.rehah.2013.07.003 15

Protocols, doses, and reactions reported below come from published research and self-reported community sources

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Takeuchi M, Sakasai-Sakai A, Takata T, Takino JI, Koriyama Y, Kikuchi C

None of these have been formally measured in a controlled study of the blend
