Rejuran Classic is manufactured in a world-class production facility that is certified with KGMP (Korea Good Manufacturing Practice) and ISO 13485 which has proven the safety of the product. Moreover, it has its own patent technology (Patent No. 10-1475381) for extraction, purification, and distillation of its active ingredient, polynucleotide. As a result, the final product is an excellent skin booster injectable with numerous advantages to protect the skin barrier from