PIENARIN (피어나린) is a Korean anti-aging skincare brand from Sunny Home Co., Ltd., known for hydrogel sheet masks and repair creams built on peptide, bakuchiol, and low-molecular collagen complexes. Its lineup includes the Bakuchiol Collagen Glow Hydrogel Mask and EGF Derma Cica Repair Cream, targeting firmness, radiance, and barrier repair.