beta catenin Beyond the Dish Activation of Catenin Signaling in CD133 Positive Dermal Papilla Cells Drives Postnatal Hair Growth PLOS One In an adult with pattern hair loss or diffuse thinning and no known copper allergy, what is the recommended firstline topical peptide (copperpeptide, GHKCu) regimen? Catenin Is Required for Hair Cell Differentiation in the Cochlea Journal of Neuroscience The answer starts with your genetics. That's the blueprint. It helps guide what your hair needs, so you're not guessing. When you have that foundation, you can support your routine the right GHK CU, PTD DBM, Zinc Thymulin for Healthier Hair