anairui copper peptides ghk-cu serum blue peptide for anti aging care @COSRX Official @COSRX US #cosrx #cosrxbestseller #bluepeptide #copperpeptides #tiktokshopdealsforyoudays Suitable for daily morning and night skincare routines. You loved the serum. 💙

Refrigeration often extends shelf life even when not required

Reduces fine lines and wrinkles Clinical studies show a visible reduction in wrinkle depth and roughness with consistent GHK-Cu use

By activating these fibroblasts, copper peptides help increase the production of both collagen and elastin, making the skin more elastic, firm, and youthful-looking

Li W, Zeng Q, Liu Y, Zhao X, Chen X, Yang W

On the day of the assay, serial dilutions (7-fold dilutions, 7 concentrations per compound and one well containing only assay buffer) of test compounds were performed in duplicate in assay buffer to appropriate concentrations in 96-well plates (Greiner, U-shape #GR-650201) using a Biomek i7 liquid handler

GHK-Cu is generally considered very safe because it is a biomimetic substance meaning your body already recognizes and produces it