South Korea Hair Regrowth Peptide PTD-DBM – latest updates for PTD-DBM hair regeneration peptide. News broke out in our forum a few years ago and we now have confirmation that CK Biotechnology is official in human trials with PTD-DBM, a peptide that can regrow hair by functioning as a CXXC5 inhibitor according to the research. Click Korea Hair Regrowth Peptide PTD-DBM to find out availability timeline for this exciting topical treatment for hair loss.