“The best treasure found from the Sea, PDRN” from Korea Special Ingredient: PDRN (PolyDeoxyRiboNucleotide) The piece of DNA(PDRN) which is extracted and set from sperm of salmon is significantly effect on inflammation relieve and regeneration of tissue such as skin, ligament, and tendon. It is extracted only 5-10ml per one salmon and it is widely used as medical ingredients.