fda approved ghk-cu injectable Copper Peptide Benefits, Uses & Safety GHK-CU for Sale | Tripeptide-1

SIRT1 deacetylates Sterol Regulatory Element-Binding Protein-1c (SREBP-1c) and Carbohydrate Response Element-Binding Protein (ChREBP), suppressing the expression of their downstream lipogenic genes fatty acid synthase (FAS) and acetyl-CoA carboxylase 1 (ACC1), ultimately inhibiting lipogenesis and mitigating MAFLD

FEBS J 286(17):32763298 Hu X, Lu Z, Yu S, Reilly J, Liu F, Jia D, Qin Y, Han S, Liu X, Qu Z, Lv Y (2019) CERKL regulates autophagy via the NAD-dependent deacetylase SIRT1

As skin becomes crepey, copper can help to tighten and beautify the skin

Topical maintenance is likely necessary regardless of initial delivery method, since the skin continuously turns over collagen