Dear,Klairs Vitamin PDRN Bouncy Pore Serum

A daily skin-fortifying serum formulated with 3 types of Vegan PDRN and 5 types of Vitamin C. Helps strenghten skin’s moisture barrier, gently refining the appearance of pores and supporting skin elasticity. – Skin self-repair (damaged skin barrier) improvement test completed – In-vitro efficacy of intracellular collagen synthesis assay completed – Skin density improvement test (inner density & surface texture density) completed – 9-in-1 pore improvement test completed (number of pores, pore area, pore depth, elasticity angle in the pore area, vertical pores, horizontal pores, diagonal pores, melanin-related pores, and skin texture in the pore area) – Inner and Outer elasticity improvement test completed – Primary Skin Irritation Test completed – Primary Skin Irritation Test for Sensitive Skin completed