The practical outcome is the ability to break down abnormal or damaged collagen while simultaneously promoting healthy collagen formation, essentially remodeling rather than just adding to existing structures
Melanocytes are cells that are found in the skin and they work by converting amino acid tyrosine into melanin using the enzyme tyrosinase
According to a 2012 study on a serum containing barley bioengineered epidermal growth factor, "clinical evaluations showed statistically significant improvement in the appearance of fine lines and rhytids, skin texture, pore size , and various dyschromatic conditions apparent within the first month of use, and continuing improvement trends for the duration of the study" (which was 3 months)
While GHK alone has some biological activity, it is the GHK-Cu form that is responsible for the vast majority of the regenerative, anti-inflammatory, and gene-modulating effects discussed in clinical research
Glutathione's antioxidant capabilities aid in reducing inflammation, which helps alleviate skin irritation and redness, resulting in a more even and healthier complexion
10.1016/j.bbagen.2012.10.005 Biochim Biophys Acta