ghk-cu and reta Topical Serum 30mL - Research Grade GHK-Cu! Love ya my Reta

If other serums have irritated you, start here

Studies have documented its capacity to stimulate collagen and glycosaminoglycan synthesis, accelerate wound healing, promote angiogenesis, exert antioxidant and anti-inflammatory effects, and modulate the expression of genes involved in tissue repair and regeneration

GHK-Cu is detectable in urine for approximately 1218 hours post-administration using LC-MS (liquid chromatography-mass spectrometry) methods that specifically target the intact tripeptide or its primary metabolites

It is not listed on WADA's Prohibited List, as it is not considered to have performance-enhancing properties relevant to competitive sport

Comput Biol Chem