Pre-empt a bad hair day with the Kérastase Chronologiste Restorative Overnight Hair Serum, a volumising, finish-enhancing treatment by the pioneering Parisian label. The serum works to plump the fibre with moisture, making strands appear fuller, healthier and smoother*. Meanwhile, oils work to add visible shine through the lengths and make hair noticeably more manageable, allowing you to wake with an easier haircare routine ahead of you. A signature scent of bergamot, musk and rose infuses the formula, satisfying the senses as you snooze. Revitalise, improve body and smooth the appearance of your hair with every use. Proven Results: Helps reverse 5 signs of hair ageing in 1 night** Adds shine & strength while taming flyaways *Consumer test after application of Bain + Mask + Night Serum, 90 consumers ** Instrumental test after application of Serum on dryness, dullness, lack of volume and thickness