Medik8 C-Tetra Luxe Lipid Vitamin C Enhanced Radiance Serum is a 30ml day treatment serum designed for women to tackle signs of ageing. Made in the United Kingdom, the serum contains Vitamin C to enhance radiance and is sealed to maintain its freshness. Suitable for use on the face, neck, and decollete areas, this serum is formulated to provide anti-ageing benefits and improve skin health. With a recommended Period After Opening (PAO) of 12 months, this serum is a regular-sized product in a luxurious lipid formulation by Medik8, a trusted skincare brand.