The Rejuran series consists of skin boosters utilizing salmon-derived polynucleotide (PDRN). PDRN plays a crucial role in stimulating collagen and elastin production, contributing to the regeneration of all layers of the epidermis and dermis, and aiding in the restoration of the extracellular matrix. Moreover, PDRN fosters fibroblast proliferation, leading to enhanced skin regeneration. Rejuran products are designed to achieve rapid and enduring rejuvenation and hydration of the skin.
 
Indeed, Rejuran S, with its higher viscosity, swiftly improves the appearance of acne scars by "filling" them. Nevertheless, it's crucial to recognize that this effect is temporary and not the primary objective of the product.

Due to its increased viscosity, Rejuran S effectively "fills in" acne scars for an immediate improvement in appearance. It's important to note that this effect is temporary.