Expect to see meaningful improvements in skin texture and firmness within 48 weeks of consistent use
Some skin needs time to adjust

Antibodies and their concentrations Primary antibodies: The following antibodies were purchased from Sino Biological (Beijing, China), GeneTex (CA, USA), Roche Diagnostics (Basel, Switzerland), and Santa Cruze Biotechnology (Texas, USA): HCoV-OC43 nucleocapsid antibody, rabbit polyclonal, Sino Biological, 40643-T62, 2000x (western), 500x (immunofluorescence, IF) HCoV-229E nucleocapsid antibody, rabbit polyclonal, Sino Biological, 40640-T62, 5000x (western) IAV nucleoprotein antibody, rabbit polyclonal, GeneTex, GTX125989, 10,000x (western) IAV HA antibody, rat monoclonal (clone 3F10), Roche, 100 ng/mL (western) KDEL antibody, mouse monoclonal, MBL, M181-3, 400x (IF), 10,000x (western) ERGIC-53 antibody, mouse monoclonal (C-6), Santa Cruz, sc-365158, 400x (IF), 1000x (western) Actin antibody, goat polyclonal, Santa Cruz, 2000x (western) Puromycin antibody, mouse monoclonal, Millipore MABE343, 1000x (western) Secondary antibodies: Polyclonal goat anti-mouse IgG-horse radish peroxidase (HRP) (Dako, Agilent, CA, USA), 5000x (western) Polyclonal rabbit anti-goat IgG-HRP (Dako, Agilent), 5000x (western) Polyclonal goat anti-rabbit IgG-HRP (Dako, Agilent), 5000x (western) Goat anti-rat IgG mouse antibody HRP (SouthernBiotech, AL, USA), 5000x (western) Donkey anti-mouse IgG H&L (Alexa Fluor 488) (abcom, Cambridge, UK), 1000x (IF) Donkey anti-rabbit IgG H&L (Alexa Fluor 594) (abcom), 1000x (IF) Cell culture A human lung cancer cell line A549 (RCB3677) and a human embryonic lung fibroblast cell line MRC-5 (RCB0218) were provided by the RIKEN bioresource center (BRC) through the National BioResource Project of the Ministry of Education (MEXT), Japan)

Neurochem 91 , 14041416 (2004)
The focus is increasingly shifting toward: Cellular resilience Tissue regeneration Recovery optimization Inflammation reduction Healthy aging pathways Structural integrity Functional wellness Peptides like GHK-Cu are part of this broader regenerative conversation