These differences are not cosmetic
Across in vitro and preclinical models, GHK-Cu has been studied for its influence on gene expression programs related to matrix synthesis and remodeling, antioxidant defenses, and pathways associated with cellular senescence markers
It's a formidable, complex structure of bones, ligaments, and tendonsthe anterior talofibular ligament (ATFL), the calcaneofibular ligament (CFL), the deltoid ligament complex, and the powerful Achilles tendon, to name a few
Since its discovery in 1973, GHK-Cu established itself as a powerful protective and regenerative ingredient, which is currently widely used in skin and hair products [0]
The number 157 refers to the specific 15-amino-acid fragment within that parent protein
Day 7: Potency drops to approximately 75 percent of original