Even if GHK-Cu itself causes no reaction, you might have sensitivities or allergies to other ingredients in the formulation
For example, one study found that taking oral collagen supplements enhanced skin elasticity, hydration, and collagen density ( Topical collagen lotions and creams are also popular, though they dont appear to be as effective as oral supplements, according to the data ( That said, supplementing with collagen protein may help reduce signs of aging, such as wrinkles and dryness
Accessed March 31, 2026
10.7754/Clin.Lab.2020.200122 6
Recommended Storage Conditions Store refrigerated between 2C and 8C Protect from direct sunlight and heat exposure Avoid repeated freeze-thaw cycles Handle using sterile laboratory procedures Store reconstituted solutions according to research standards Maintaining proper storage conditions supports the structural stability of BPC-157 & TB-500 & GHK-Cu Peptide Blend during laboratory applications
The findings of this study could provide potential therapeutic materials or target for treating OA