Vitamin C serums are becoming an important part of daily skincare routines as consumers seek brighter-looking, smoother, and more even-toned skin. The global vitamin C serum sector was valued at around USD 1.37 billion in 2025 and is projected to grow from USD 1.46 billion in 2026 to USD 2.14 billion by 2032, registering a CAGR of around 6.58%. Growth is supported by rising skincare awareness, anti-aging demand, premium beauty products, e-commerce expansion, and interest in active ingredients. Consumers are increasingly choosing lightweight serums for concerns such as dullness, uneven tone, fine lines, and visible radiance. Product stability, suitable concentrations, clear labeling, skin-friendly formulations, and protective packaging remain important factors influencing purchase decisions. Innovation in vitamin C derivatives, ingredient combinations, dermatologist-led education, sustainable packaging, and affordable product options is expected to strengthen adoption through 2032.