Size: 1 oz. Container: dark glass bottle with dropper. This plant-based vitamin C serum utilizes four potent antioxidants to combat free radical damage, known for causing dry skin, fine lines, and wrinkles. With an enhanced formula containing four antioxidants, this professional Vitamin C Serum is now the pinnacle of effectiveness in the beauty market. Vitamin C is a highly coveted ingredient in premium skincare products for its role in collagen production, essential for cell growth, blood vessel support, and maintaining skin firmness and resilience. Additionally, Vitamin C plays a crucial part in tissue formation, ligament strength, and promoting skin rejuvenation.