an intensive ampoule containing a high concentration ofc-PDRN®, rejuvenation-active ingredient, to boost production of collagen in damaged skin while strengthen the skin barrier by restoring irregular tumover cycle PDRN (Polydeoxyribonucleotide) is a regenerative ingredient in Korean skincare, derived from salmon DNA. Known for its powerful healing and hydration properties, it helps repair the skin barrier, boost cell renewal, and maintain an ideal moisture balance for healthier, radiant skin.