Ive had @sumanurica in my routine for almost a year now, so adding the new GHK Cu Repairing Serum felt like the perfect next step , Its lightweight, calming and layers beautifully, especially on One of the questions we often receive about our products is: Why is the GHK Cu Repairing Serum stored in two part packaging? GHK Cu is an unstable ingredient that can slowly lose its effectiveness SumaNurica GHK Cu Repairing Serum Face Oil with Copper and Tripeptide 1 Nourishes Skin Vegan, Fragrance Free For Sensitive Skin 3 x 0.33 oz : Buy Online at Best Klow Peptide Blend: Benefits, Dosage, and Side Effects Guide LVLUP Health GHK Cu Oral Copper Peptide Capsules Holistic Lifestyler Bunbury Chiropractic Services & Supplement Store GHK Cu Copper Peptide Supplement, Promotes Skin Repair, Reduces Wrinkles CTDE PARIVAR