KLOW Blend: Advanced Peptide Therapy for Healing, Inflammation & Cellular Renewal Rejuvia Wellness and Medical Spa Dallas Glow Peptide Injection: Revolutionizing Skin Rejuvenation Hubmed Sent GLOW, KLOW, and the TB BPC blend to a lab after 30 days refrigerated., 99.6% purity before. 99.6% purity after., Same milligram content. No measurable degradation., These blends are Glow Peptide Protocol GHK Cu, BPC 157, TB 500 Neurogan Health 12 weeks in, and my skin has NEVER looked better! GHK peptides are doing their thing. Alright, I need to give you an updateit's been 12 weeks since I started using GHK