Make the most of your evening skincare routine with The INKEY List’s Retinol Duo, expertly designed to visibly smooth and brighten your complexion. Keeping you stocked up on this best-selling formula, the set includes two full-sized bottles. Set Contents: Retinol Serum (30ml) x 2 The high-performance formula combines 1% retinyl acetate with 0.5% granactive retinoid to help minimise the appearance of textural irregularities, leaving skin feeling smoother, plumper and softer. The slow-release technology works to reduce the look of fine lines, promoting a more even finish.