ghk-cu kit – Research Peptide resulting in a more radiant appearance GHK-Cu — Research Kit |

Copper toxicity Though its unlikely, copper peptide skin care products may lead to potential copper toxicity if not used as directed by the manufacturer (or if multiple copper-containing products are used together)

This is particularly disappointing because, despite being a copper peptide isolate serum with the fewest key ingredients, NIODs product comes in second for the highest cost per mL (Allies of Skins serum comes in first, but closes the gap a bit when the subscription price is lowered after the fifth order)

The latter is far more readily available online but far less safe

It increases follicle size, which produces a thicker, denser hair shaft