One could also use turmeric, aloe vera, and lemon juice at home to decrease pigmentation
What GHK-Cu adds to the formulation: Gene expression modulation across hundreds of genes including collagen genes (Type I, III), tissue inhibitors of metalloproteinases, anti-inflammatory mediators Collagen synthesis stimulation, specifically Type I and Type III collagen the structural proteins of skin, connective tissue, and many other tissues Anti-inflammatory signaling through investigated effects on TNF-, IL-6, and NF-B pathways Copper-peptide chemistry effects including cofactor activity for skin-relevant enzymes Skin-research and hair-research applications (the GHK-Cu literature in these areas is substantial) For the GHK-Cu deep-dive, see Copper Peptides Explained
Epstein, declare competing financial interests as they are employees and consultants of NovoBiotic Pharmaceuticals
Its especially beneficial for those with fatigue, mood changes, or dietary deficiencies (common in plant-based diets)