In double-blind, placebo-controlled trials, daily application of GHK-Cu cream at 3% concentration for 12 weeks produced a 70% increase in skin collagen thickness as measured by ultrasound imaging, a 40% increase in skin elasticity, and visible reduction in fine lines and wrinkles
As described previously, GSH has multiple roles in the cell and one of them is functioning as cofactor for the enzyme glutathione peroxidase 4 (GPx4)
The most important aspects of GHK-Cu administration remain consistent dosing, proper cycling, and professional supervision to ensure both safety and efficacy
Vegan, cruelty-free, and made with certified organic ingredients
Also to the vendors credit, it states the clients may conduct their own testing at licensed HPCL facilities, and negative test results will warrant total refunds as well as compensation for the testing fees
Authors and Reviewers Originally written in 2001 by: Jane Higdon, Ph.D