Vitamin C Serum: What It Really Does for Skin
How Vitamin C Interacts With Skin Cells Vitamin C, also known as ascorbic acid, plays a critical role in maintaining healthy skin cell function. When applied topically, Vitamin C penetrates the epidermis and interacts directly with keratinocytes and fibroblasts. These cells are responsible for skin renewal, barrier maintenance, and structural support. By supplying Vitamin










