Found in seaweed... PDRN as a 'vegan regenerative material' replaces the reliance on salmon roe with seaweed Seaweed raw materials and by-products as bio materials Raw material suppliers such as Dongkuk Pharmaceutical and Kolmar Korea have their final goal of entering the medical field market In the regenerative medicine and beauty markets, PDRN (polydeoxyribonucleotide) is a widely known material. Extracted from salmon sperm, this substance has been expanding the market due to its wound healing and skin regeneration effects. However, behind this growth, there were also structural limitations. These include a raw material structure dependent on specific fish species, high prices, and supply instability due to climate change. Amid these limitations, the marine bio startup Dermare (DERMARE