GLOW vs KLOW Peptide Stacks: What's the Difference? You may hear us talk about GLOW and KLOW and wonder what the difference actually is. Here is the simple version. GLOW is our foundational regenerative peptide blend. It focuses on cellular KLOW Blend vs GLOW Blend: How the Four Peptide Formula Compares Durham Peptides GLOW or KLOW which one actually fits you? Both support skin repair and regeneration. The difference? KLOW goes deeper by targeting inflammation. If your goal is smoother, healthier looking skin GLOW If