PDRN, also known as Polydeoxyribonucleotide, is a raw material used in medical devices. It is a purified form of DNA derived from salmon sperm. PDRN has been found to have various therapeutic effects on the human body, including promoting tissue repair and regeneration.

In medical devices, PDRN is often used in products such as wound dressings, dermal fillers, and skin rejuvenation treatments. It is believed to stimulate the production of collagen and elastin, which are essential for maintaining healthy skin and promoting wound healing.