Kérastase 8H Magic Night Serum — Overnight Treatment for Dry Hair

Reader reviews

1. K Kelsie D. 5/5

   Moisturizes without weight

   This treatment hydrates without dragging my hair down. It smells wonderful and adds a nice shine. I like using it before my heatless curl routine.

2. L Lily Smith 5/5

   My go-to overnight serum

   I adore this serum. After sleeping with it in, my hair wakes up softer, smoother, and properly hydrated without any greasy feel. A little product covers a lot, and the scent feels luxurious but not overpowering. It’s become a small nightly treat for my routine and makes frizzy ends look healthier.

3. E Excellent buy,is useful and beautiful 5/5

   Noticeable improvement, but pricey

   You can see and feel the difference — hair is softer and better hydrated, with a gentle fragrance. It’s excellent, though it is quite expensive.

4. M MajestybyM 5/5

   Rescued my very damaged ends

   My hair was badly damaged, and nightly use of this serum really helped. I apply it to the dry lengths before bed and wake up with softer, more manageable hair and no oily pillow. After several weeks the ends look healthier and breakage has reduced. Consistent use is key.

5. D Damaris ramos 5/5

   Truly lives up to the name

   It really feels like a bit of magic — my hair looks shiny and smooth by morning and never oily. It absorbs well and keeps hair manageable, so I don’t feel compelled to wash right away. I recommend it.

6. Y Yesika izquierdo gil 5/5

   Wakes up my hair glossy and hydrated

   This night elixir surprised me — right from the first uses my hair felt noticeably softer and shinier by morning. The texture is featherlight and doesn’t leave oily residue; it soaks in overnight. The calming scent makes the bedtime routine a bit indulgent. I’ll repurchase for dry hair days.

7. J Jul 5/5

   Great performance, small bottle

   I liked the way it made my hair soft and smell nice without greasiness. My hair looked smoother the next day. The only downside is the bottle size — if you apply it nightly it runs out quickly, and it’s a pricier option. Still a quality product worth trying if budget allows.

8. H Hanan 5/5

   Excellent — second purchase

   Excellent product, buying again for nighttime use.

9. J Jan 5/5

   Repeat buyer

   Ordered again because it consistently leaves my hair nourished and glossy.

10. R Rafaela 5/5

    Feels like a miracle for colored hair

    This serum works wonders on chemically treated hair. Right after application my hair already feels transformed, and the next day it looks deeply moisturized with incredible shine. I loved it and will save up to buy again. It doesn’t last very long per bottle, but the instant results are worth it.

11. S swapna 5/5

    Solid leave-in nightly treatment

    Cut down my frizz, is easy to apply, smells nice, and left no residue in the morning. High-quality product even if it’s on the expensive side.

12. J Jocelyn Munien 5/5

    Simple and effective

    Love this serum. I use it on the ends along with another oil and my hair stays soft and healthy. Definitely lives up to the hype.