glutathione sr 4 Ways to Optimize Your Level Size:2 oz / 56 g radiant skin serum A GHK-Cu face serum

glutathione sr 4 Ways to Optimize Your Level Size:2 oz / 56 g radiant skin serum A GHK-Cu face serum

A GHK-Cu face serum appears blue because the active ingredient, “GHK-Cu” (copper peptide), is naturally a blue-colored powder, meaning its inherent color transfers to the serum when mixed in; this blue hue

Its oral bioavailability was reported as high in phase I work by NeuroSearch, which is part of why the injectable route was explored later as a delivery variant, not as the original development pathway

radiant skin serum

Size:2 oz / 56 g

3rd party Lab Tested in the USA: We have our own FDA registered Food-Grade facility in the USA