Rejuran HB (1x1ml) PDRN Rejuran is a series of skin boosters based on polydeoxyribonucleotide (PDRN). PDRN presents DNA polymers of 50 to 2,000 nucleotides long, it is isolated from the DNA of salmon and also known as polynucleotide (PN). Numerous clinical experiments have demonstrated an excellent effect of PN on cell growth and tissue regeneration. Rejuran products are aimed at effective and fast rejuvenation and hydration of the superficial and deep skin layers.