The Medik8 C-Tetra Vitamin C Serum is a 30ml day treatment serum designed for all skin types. It contains hyaluronic acid for added moisture and is cruelty-free. This product is infused with vitamin C to provide antioxidant benefits and improve skin radiance. With a formulation suitable for the face, this serum from the United Kingdom offers a lightweight and easy-to-absorb texture, making it ideal for daily skincare routines.