Any unusual or persistent reaction should be evaluated by a healthcare professional immediately
Step 3: Listen to your body
Cell Death Differ 28 , 31993213 (2021)
The 2018 IJMS review documents reductions in TNF-alpha, NF-kB, and pro-inflammatory cytokine signaling in multiple experimental contexts, alongside increases in glutathione and ascorbic acid levels in wounded tissue 1
Last spring, a 42-year-old esthetician in Scottsdale named Rachel told me she'd been rubbing a 2% GHK-Cu serum on her face for three months and loved what it did for her texture, but her functional medicine provider also wanted her on subcutaneous injections for broader tissue support after a knee surgery
The research on GHK-Cu in aged skin specifically is solid - multiple studies have demonstrated improvements in skin thickness, density and firmness with consistent use - and the tolerability profile is significantly gentler