Boasting an identical formula to the original lipstick – down to the floral extracts and SPF 15 – DIOR’s Rouge Dior Couture Colour Refill is a must-have for fans of the iconic product. Easily slotting into the tube of your coveted lipstick to replace a finished stick, this hydrating formula dresses your lips in timelessly elegant colour and provides 16 hours of full coverage with minimal colour streaking.