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Rating: 4.5Based on 88 reviews
  • Most helpful positive
    The post was made 1 week
    Rating: 4 out of 5

    Wow experience!

    At first, it felt a bit strange to apply the serum to dry hair before bedtime, but I went for it and wow! The scent is soft and not too strong, the serum doesn’t sit like a film on the hair as I initially thought it would, and then waking up in the morning with such soft and manageable hair! It almost feels too good to be true 🤩 My hair is mostly gray – in other words, very aged for "just" being 40! Dry, heavy, coarse, and frizzy... but after I started using the whole series, my hair feels so soft, fluffy, and moisturized! Minus - The price. It’s expensive when you want the whole series complete.. The review was conducted on behalf of Smartson – the tester got to try the product for free.
    1 product in post Wow experience!
    665 views
  • The post was made 7 hours
    Rating: 3 out of 5

    Luxurious but Kerastase can do better

    The first thing that must be said about this night serum is the scent. It is more masculine than the other products in the series and almost a bit too strong when you lay your head on the pillow at night. But having said that, it is a good serum. The consistency is just right to distribute it evenly in the hair, and I find my hair softer in the morning. However, my blonde highlights need a bit more TLC than this offers, so I kindly but firmly go back to Kerastase Cica Nuit. The review was conducted on behalf of Smartson – the tester got to try the product for free.
    20 views
  • The post was made 1 day
    Rating: 5 out of 5

    Doesn't weigh down and smells lovely

    I love that it doesn't weigh down or grease the hair and it smells lovely. The hair feels stronger. It's very easy to use since it doesn't need to be rinsed out. You can use it before going to bed, but I've also really enjoyed using it on the lengths after a shower. The review was done on behalf of Smartson – the tester tried the product for free.
    47 views
  • The post was made 2 days
    Rating: 5 out of 5

    Very satisfied

    As a woman aged 49, I am very satisfied with this serum after using it for a few weeks. My hair has been quite dry in the lengths, but this has made it much softer and smoother. I like that the serum is light in the hair and does not make it greasy, even when I use it before going to bed. In the morning, the hair feels less frizzy and much easier to style. It also smells very good without being too strong. I think the hair looks healthier and more well-groomed after using this together with the rest of the series. A big plus is also that it does not need to be rinsed out. The review was conducted on behalf of Smartson – the tester received the product free of charge.
    86 views
  • The post was made 2 days
    Rating: 5 out of 5

    Kerastase's best overnight serum!

    I have tried several of Kerastase's overnight serums but didn't know this one existed! I used it in combination with the shampoo and treatment that go with it, and this serum is just amazing. It gives so much moisture and nourishment to the hair. I have used it after washing and also almost every night on dry hair afterwards. It doesn't leave a sticky feeling, absorbs well into the hair overnight, and I wake up to silky soft hair in the morning that's so easy to style, no static hair, and the hair looks healthy and shiny. The other serums are good too, but this one gave my hair so much more volume and shine in just a couple of days. The scent is absolutely magical, not too much but like a light hair perfume that I've received compliments on, for example at work from customers. Top-class product! The review was conducted on behalf of Smartson – the tester received the product for free.
    34 views
  • The post was made 2 days
    Rating: 5 out of 5

    Very good!

    I have now used Kerastase Chronologiste shampoo, hair mask, and night serum for a few weeks, and I am very satisfied with the result! Already after a short time, I notice a big difference: I feel that my hair is more moisturized and healthy than before. The hair is softer, the curls are more defined, and I have less frizz and fewer small hairs sticking out in all directions. The texture of the products is lovely, and they are very easy to use. The scent is in a class of its own: A luxurious and elegant perfume scent reminiscent of Chanel Coco Mademoiselle. It is noticeable without being overwhelming, and the scent stays in the hair for days (if you stick your nose right in it). I chose to let the products work completely on their own without any leave-in or styling products – and that was not necessary! The pictures show my hair completely natural without any fixing, before and after only two uses. I now see a much better foundation for even more definition if I style more later. Looking forward to the continuation :-) The review was conducted on behalf of Smartson – the tester received the product free of charge.
    106 views
  • The post was made 4 days
    Rating: 5 out of 5

    Magic Overnight

    I am a woman over 40, and my hair is becoming increasingly dry and dull. I have the privilege of trying new, innovative products to combat signs of aging. Kérastase Chronologiste, a three-step collection designed to target the five main signs of aging hair: lack of thickness, lack of volume, dull hair, dryness, and frizz. Each product in the line is formulated with Pro-Xylane and ochrophyta algae, a powerful combination of active ingredients with revitalizing and restorative properties. The collection includes - Chronologiste Bain Régénérant, a moisturizing and strengthening shampoo; - Chronologiste Masque Intense Régénérant, a luxurious, lightweight mask that helps minimize breakage and increase smoothness and manageability; and - Chronologiste Overnight Youth Hair Serum which promotes visibly fuller, healthier, and smoother hair in just one night. #Chronologiste Bain Régénérant #testpilot #smartson The review was conducted on behalf of Smartson – the tester received the product free of charge.
    218 views
  • The post was made 5 days
    Rating: 5 out of 5

    Kerastase overnight youth serum

    Best and most fragrant serum I've used. Doesn't weigh hair down or make it greasy
    1 product in post Kerastase overnight youth serum
    267 views
  • The post was made 5 days
    Rating: 3 out of 5

    Gives a fresh feeling

    Woman, 45, uncolored medium-length hair with volume. I have used the entire series – see picture above over a period of 3 weeks. The hair has felt heavier, while the sebum production in the scalp has increased. This may be related to the serum’s Pro-Xylane which stimulates the activity of the hair follicles. That said, the product is easy to apply, smells good, and you feel fresh. The review was conducted on behalf of Smartson – the tester received the product free of charge.
    1 product in post Gives a fresh feeling
    284 views
  • The post was made 5 days
    Rating: 5 out of 5

    AWESOME!

    This is the first time I've tried a serum that neither makes my hair greasy nor makes it look heavy and flat. It's really lovely and smells wonderful. I've used it both at night and occasionally during the day to freshen up my hair. You can clearly see a difference in the hair's texture. The review was done on behalf of Smartson – the tester tried the product for free.
    1 product in post AWESOME!
    223 views
  • The post was made 5 days
    Rating: 5 out of 5

    Really good

    Used together with their shampoo and conditioner. The hair did not become greasy or sticky but felt airy and fresh. Nice scent, economical and good consistency. A good complement to the shampoo and conditioner in the series. The only negative is the price, which can be discouraging. Participating as a test pilot via Smartson and have received a free test product.
    1 product in post Really good
    206 views

KérastaseChronologisteOvernight Youth Serum 90 ml

812 kr
Recommended price 822 kr
Free delivery option available, can be sent immediately

Select size

30 ml90 ml

The New Chronologiste range offers youth-revitalizing care for hair longevity, not only by reducing visible signs of aging but also rebooting weakend hair to optimize hair health. The New Chronologiste has a targeted regimen to visibly improve five key signs of hair aging: frizz, dryness, dullness, lack of thickness, and lack of volume.The secret is the combination of two powerful ingredients:Pro-Xylane in serum: A renowned age-supporting ingredient that is renowed for renewing tissue from scalp to fiber, stimualting hair activity to increase hair shaft diameter and thickness. It also restores scalp hydration and elasticity, fostering healthy hair activity.Ochrophyta Algae in bain and masque: A bio-sourced deep sea extract that enhances skin barrier integrity, improves hydration, moisturizes, prevents split ends, and boosts shine and elasticity by binding with hair proteins.The Restorative Night Serum is optimized for nighttime application to maximize its efficacy. Drawing inspiration from skincare principles, this allows active ingredients an extended period to penetrate and act, minimizing interference from daytime environmental aggressors. This approach leverages the body's natural nocturnal restorative phase, optimizing absorption for enhanced hair health and manageability upon waking, while also providing a moment of self-care.Benefits after one night*: • Increases fiber diameter by 5,7% • 66% less frizz*• 32% shinier hair* • 92% more strength*• After the routine 77% say their hair feels revitalized***Instrumental test after one use of the Overnight serum **Consumer test on 90 women after one application of the full Chronologiste routine (bain, masque + Overnight serum)


How to Use:

Apply on dry or damp hair before bedtime. Spread one pump into hands and distribute on lengths and ends. No need to rinse in the morning.

90 ml
  • Category:Serum

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