M&S Formula Glow Overnight Serum 30mlWake up to radiant, glowing skin with M&S Formula's Glow night serum. With 10% vitamin C, it fights dull, tired looking skin from the very first application. Signs of ageing are reduced too and skin is left clearer, smoother and more even in tone. Apply to skin straight after your evening cleanse, and follow with a night cream or oil. Vitamin C in a stable form, from 10% THD Ascorbate to rapidly fight against dull, tired complexion. This product has