Rejuran Rejuvenation with PNRejuran with PN (Polynucleotides) derived from salmon DNA to promote skin healing and regeneration. Polynucleotides are long chains of nucleotides, which are the building blocks of DNA. These polynucleotides are injected into the skin to enhance skin repair mechanisms and rejuvenation at a cellular level. The procedure involves a series of tiny injections, usually done in multiple sessions spaced a few weeks apart, depending on the desired outcome and