Formulated to help soften visible signs of ageing, such as fine lines, the SkinCeuticals Double Defence Skincare Set pairs the Phloretin CF serum with the Advanced Brightening UV Defence SPF 50. Set Contents: Phloretin CF 30ml This antioxidant serum helps reduce the appearance of discolouration while visibly refining tone and texture. Its patented combination of 2% phloretin, 10% pure vitamin C and 0.5% ferulic acid works to promote a radiant-looking, balanced complexion. Advanced Brightening UV Defence SPF 50 30ml The Advanced Brightening UV Defence SPF 50 is a broad-spectrum, lightweight formula designed for daily use. It helps defend the skin from UV-induced effects with 1% tranexamic acid and 2% niacinamide, both included to visibly clarify, brighten and smooth the appearance of the skin.