MEDIK8 has kicked off its annual winter sale, treating to shoppers to up to 40% off a selection of bestsellers. One standout deal is an anti-ageing moisturiser that shoppers have dubbed a “miracle” product. Medik8 Intelligent Retinol Smoothing Night Cream, £42 (was £60) Medik8 is known for its results-driven formulas backed by science (read my…