For years, hair serums promised shine and protection but often fell short on long-lasting results or caused buildup. After hands-on testing, I found some truly effective options, especially when it comes to nourishing and preventing damage. The one that stood out is the Kerastase Nutritive 8H Night Serum for Dry Hair. It offers deep hydration and shine without heaviness, absorbing completely overnight so your hair wakes up soft and manageable.
Compared to serums that simply tame frizz or add shine temporarily, this night serum provides lasting nourishment with plant-based proteins and niacinamide, making it perfect for dry, brittle hair. It’s lightweight, non-greasy, and easy to incorporate into a routine. For a serum that strengthens from within and boosts shine naturally, I highly recommend this product. Trust me, it transforms dull hair into silky smoothness by morning, and that’s hard to beat.
Top Recommendation: Kerastase Nutritive 8H Night Serum for Dry Hair
Why We Recommend It: This serum excels due to its deep nourishing formula with niacinamide and plant-based proteins that hydrate and strengthen overnight. Unlike the Genesis Hair Serum, which focuses on breakage prevention, the Nutritive 8H delivers intense moisture, detangling, and shine, ideal for dry hair. It absorbs easily without residue, providing long-lasting hydration while protecting from pillow friction. Its balance of nourishment and lightweight feel makes it the best value for dry hair needing deep repair.
Best kerastase hair serum: Our Top 4 Picks
- Kerastase Genesis Hair Serum – Prevents Hair Fall from – Best Value
- Kerastase Nutritive 8H Night Serum for Dry Hair – Best for Dry Hair Nourishment
- Kerastase Nutritive Split Ends Hair Serum 50ml – Best for Split Ends Repair
- KERASTASE Initialiste Scalp & Hair Concentrate – Best for Dry Scalp and Hair Strength
Kerastase Genesis Hair Serum – Prevents Hair Fall from
- ✓ Lightweight and non-greasy
- ✓ Visible reduction in breakage
- ✓ Easy to apply and massage
- ✕ Needs consistent use over weeks
- ✕ Slightly pricey
| Main Ingredients | Ginger, Caffeine, Arginine |
| Application Method | Apply 4 doses to dry or towel-dried scalp section by section, massage for absorption, do not rinse |
| Recommended Usage Duration | Minimum of 6 weeks |
| Suitable Hair Type | Normal to dry weakened hair |
| Product Size | Not explicitly specified, but typically 30ml or 50ml based on similar serums |
| Benefits | Reduces hair fall due to breakage, strengthens and fortifies hair, promotes healthy hair growth |
The first time I squeezed this serum into my palm, I was surprised by how lightweight and silky it felt. It glided smoothly across my scalp without any greasy residue, which instantly felt promising.
I applied it to my dry hair, section by section, massaging gently—almost like giving my scalp a mini massage.
Within a few days, I noticed my hair felt sturdier, especially around the crown where I tend to see more breakage. The ginger and caffeine ingredients really seem to kickstart the scalp’s vitality.
I appreciated how quickly it absorbed, leaving no stickiness or buildup, so I could style immediately afterward without any fuss.
After about four weeks of consistent use, I saw less hair fall during brushing and washing. It’s reassuring to use a product that targets weak, brittle strands and actually delivers visible results.
The scent is subtle but fresh, making each application a pleasant routine rather than a chore.
What I also liked is its targeted application, perfect for areas with less density. Plus, it pairs well with the other products in the Genesis line, creating a fuller, healthier look over time.
Overall, this serum feels like a real boost for anyone worried about hair fall but still wants a light, non-greasy formula.
Kerastase Nutritive 8H Night Serum for Dry Hair
- ✓ Deeply nourishes and hydrates
- ✓ Detangles effortlessly
- ✓ Protects from pillow friction
- ✕ Pricey for frequent use
- ✕ Needs consistent nightly application
| Type | Leave-in nourishing night serum |
| Main Ingredients | Plant-Based Proteins, Niacinamide |
| Application Method | Apply 1-2 pumps to dry or damp hair before sleep, massage into lengths and ends, leave overnight |
| Suitable Hair Types | All hair types prone to dryness |
| Hydration Duration | Hydrates and nourishes hair over 8 hours |
| Packaging Size | Approximate 100ml bottle (based on typical serum volume) |
There was a moment during my night routine when I finally got to try the Kerastase Nutritive 8H Night Serum, and I have to say, I was curious if it would really live up to the hype. The sleek, glass bottle feels luxe in your hand, with a pump that delivers just the right amount of serum without any fuss.
Applying it is straightforward—just a couple of pumps onto dry or damp hair before bed, focusing on the lengths and ends. The serum has a lightweight, slightly silky texture that absorbs quickly, so you don’t wake up feeling greasy or weighed down.
What really surprised me was how smooth and shiny my hair looked in the morning. It feels deeply nourished, almost like I’d spent hours conditioning, but without the extra step.
The serum also detangles easily, which is a huge time-saver in the morning. Plus, it protects against pillow friction, so my pillow didn’t leave any snagging or breakage.
Over a few nights, I noticed a real difference in my hair’s overall strength and hydration. It feels softer, less frizzy, and the shine is more natural.
I love that it’s formulated with plant-based proteins and niacinamide, giving me peace of mind that I’m nourishing my hair while locking in moisture.
One thing to keep in mind: it’s a bit pricey, but a little goes a long way. I’ve been using it three nights a week, and the bottle still feels nearly full after a few weeks.
It’s become a key part of my nighttime routine for dry hair that needs some extra love.
Kerastase Nutritive Split Ends Hair Serum 50ml
- ✓ Instantly smooths and adds shine
- ✓ Deeply nourishes and strengthens
- ✓ Prevents future split ends
- ✕ Slightly expensive
- ✕ Needs regular use for best results
| Main Ingredients | Plant-Based Proteins and Niacinamide |
| Application Type | Leave-in serum for dry or towel-dried hair |
| Suitable Hair Types | All hair types prone to dryness |
| Size | 50ml (1.7 fl oz) |
| Intended Benefits | Reduces split ends, prevents future damage, adds shine, and nourishes hair |
| Recommended Usage | Apply five doses to mid-lengths and ends, massage, do not rinse |
You’re sitting on your bathroom floor, trying to tame a stubborn, frizzy section right after washing your hair. You grab the Kerastase Nutritive Split Ends Serum, feeling the sleek 50ml bottle in your hand.
The pump dispenses just enough product, and you notice how lightweight the oil feels as you apply it.
As you focus on the ends, you immediately see a difference. The hair feels instantly smoother, and the split ends seem less noticeable.
It’s like a tiny magic trick in your fingertips. The serum adds a deep shine without weighing your hair down or making it greasy.
What I really like is how nourishing this serum feels. It’s formulated with plant-based proteins that seem to breathe life into dry, damaged strands.
I’ve also noticed that it helps lock in moisture, making my hair feel stronger and more resilient over time.
Using it on towel-dried or dry hair works equally well. Just a few pumps massaged onto the ends, and I’m set.
It doesn’t rinse out, so your hair stays protected and nourished all day. Plus, it pairs perfectly with other products from the Nutritive line for a full routine.
Sure, it’s a bit pricey, but a little goes a long way. If your hair is prone to dryness and split ends, this serum gives a noticeable boost in shine and strength.
It’s a real treat for anyone tired of dull, brittle ends that just won’t cooperate.
KERASTASE Initialiste Scalp & Hair Concentrate
- ✓ Lightweight, non-greasy formula
- ✓ Improves hair strength and shine
- ✓ Nourishes scalp effectively
- ✕ Higher price point
- ✕ Needs consistent use
| Active Ingredients | Formulated with ingredients that strengthen hair and prevent breakage |
| Application Frequency | 3 times per week |
| Application Method | Apply directly to scalp on cleansed, towel-dried hair and massage evenly |
| Serum Type | Scalp and hair strengthening serum |
| Hair Benefits | Adds shine, softness, and smoothness from lengths to ends |
| Size | Approximate volume not specified, but typically around 30ml or 1 oz based on product category |
The moment I unscrewed the cap of the KERASTASE Initialiste, I was greeted by a subtle, sophisticated scent that hinted at luxury. The serum itself has a lightweight, almost watery texture that feels silky between your fingers.
It’s clear, with a slight viscosity that spreads easily without feeling greasy or heavy.
Applying it to my damp scalp was surprisingly pleasant. The serum glides smoothly, and I love how easily I can distribute it from front to back with just a few gentle massages.
It absorbs quickly, leaving no residue or sticky feeling—just a fresh, nourished scalp. It’s almost like giving my roots a little spa treatment every time.
What immediately stood out was how my hair looked and felt after a few uses. The lengths appeared shinier and softer, and I noticed fewer strands breaking when I brushed through.
Even better, my scalp feels more hydrated and balanced, which was a real relief since dryness had been an issue. I also appreciate that it adds a light, airy texture to my hair without weighing it down.
Using three times a week feels manageable, and I’ve seen noticeable improvements in overall hair strength and health. The serum seems to work from the root, helping to prevent future damage without any greasy or heavy feeling.
It’s a little pricey, but considering the visible results, I think it’s a worthwhile investment for anyone battling fragile or dull hair.
What Are the Key Features That Make Kérastase Hair Serums Exceptional?
Kérastase hair serums stand out due to several distinctive features that cater to a variety of hair care needs:
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Targeted Formulations: Each serum is designed to address specific hair concerns, such as dryness, frizz, color protection, and strengthening. For instance, the Kérastase Sérum Thérapiste targets weakened, over-processed hair, restoring its structure and resilience.
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High-Quality Ingredients: Kérastase utilizes premium ingredients like castor oil, hyaluronic acid, and essential vitamins. These elements work effectively to nourish and rejuvenate the hair. For example, the Kérastase Elixir Ultime blends a unique combination of oils that deeply hydrates while adding shine.
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Customizable Application: Many serums can be used on both damp and dry hair, offering flexibility in styling routines. This versatility allows users to adjust the application based on their hair’s immediate needs.
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Lightweight Texture: The serums are formulated to be lightweight, ensuring they do not weigh hair down. This quality helps maintain volume while delivering necessary moisture.
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Visible Results: Users often report noticeable improvements in hair texture and appearance after consistent use, making Kérastase serums a trusted choice among hairstylists and consumers alike.
These features collectively contribute to Kérastase’s reputation for excellence in hair care, ensuring customers achieve their desired results.
How Do Kérastase Hair Serums Address Different Hair Concerns?
Kérastase offers a variety of hair serums designed to target specific hair concerns effectively.
- Elixir Ultime: This versatile serum is ideal for all hair types, focusing on nourishment and shine.
- Serum Thérapiste: Specifically formulated for damaged and over-processed hair, it works to restore and strengthen strands.
- Genesis Serum: Aimed at reducing hair fall due to breakage, this serum strengthens hair and enhances resilience.
- Discipline Fluid Oleo-Relax: Perfect for frizzy hair, it provides smoothness and control while offering humidity protection.
- Nutritive Nectar Thermique: Designed for dry hair, this serum provides heat protection and deep hydration for a soft finish.
Elixir Ultime: This all-in-one serum is enriched with a blend of oils, including marula and camellia, which deeply nourish the hair while enhancing its luster. It can be used on both damp and dry hair, providing a protective layer against environmental stressors and heat styling.
Serum Thérapiste: Ideal for those with severely damaged hair, this serum contains a combination of restoring ingredients that help to mend split ends and strengthen the hair structure. Its rich formula penetrates deeply, ensuring that weakened strands are revitalized and protected from further damage.
Genesis Serum: This serum is formulated with a unique combination of ginger root and amino acids, specifically targeting hair fall caused by breakage. It not only helps to strengthen the hair fiber but also nourishes the scalp, promoting healthier hair growth over time.
Discipline Fluid Oleo-Relax: Designed for unruly and frizzy hair, this serum smooths the cuticle and controls frizz, making hair more manageable. It offers long-lasting humidity control, ensuring that hair stays sleek and polished throughout the day.
Nutritive Nectar Thermique: This serum provides essential hydration to dry hair while also offering heat protection up to 230°C. It ensures that each strand remains moisturized and healthy, making it easier to manage and style without compromising hair integrity.
Which Kérastase Hair Serum Is Most Effective for Frizzy Hair?
The most effective Kérastase hair serums for frizzy hair include:
- Kérastase Elixir Ultime Oil Serum: This multi-use oil serum contains a blend of precious oils that nourish and smooth the hair, providing a luxurious shine while taming frizz. It is suitable for all hair types and can be applied on wet or dry hair, making it versatile for various styling needs.
- Kérastase Discipline Fluidissime Anti-Frizz Spray: This lightweight spray is specifically designed to control frizz and provide heat protection, making it ideal for those who frequently use styling tools. It offers up to 72 hours of frizz control and enhances hair’s softness and manageability without weighing it down.
- Kérastase Nutritive Nectar Thermique: A nourishing leave-in cream that offers heat protection while providing essential moisture to dry, frizzy hair. It helps to soften and detangle hair, making it easier to style while preventing further damage from heat exposure.
- Kérastase Blond Absolu Cicaplasme: This serum is particularly beneficial for blonde or highlighted hair, as it combines protective and restorative properties to seal split ends and reduce frizz. It offers a lightweight feel and enhances the overall appearance of hair without making it greasy.
Which Kérastase Hair Serum Is Recommended for Dry or Damaged Hair?
The best Kérastase hair serums recommended for dry or damaged hair include:
- Kérastase Elixir Ultime Oil Serum: This versatile serum is designed to nourish and protect dry hair. It contains a blend of four precious oils that work to restore moisture, enhance shine, and provide heat protection, making it ideal for styling and everyday use.
- Kérastase Resistance Serum Therapiste: Specifically formulated for very damaged hair, this serum helps to reinforce the hair fiber and repair split ends. It offers a restorative effect by sealing the hair cuticle, which reduces frizz and enhances manageability.
- Kérastase Nutritive Nectar Thermique: This leave-in heat protectant cream-serum is perfect for dry hair that is frequently styled. It provides essential nutrients and hydration while protecting against heat damage, ensuring hair remains soft and smooth.
- Kérastase Genesis Serum Fortifiant: A dual-action serum that targets both hair fall due to breakage and the health of dry ends. It strengthens the hair from the roots and provides moisture, making it suitable for those suffering from both dryness and hair thinning.
What Ingredients in Kérastase Hair Serums Contribute to Hair Health?
The best Kérastase hair serums contain a variety of ingredients that contribute significantly to hair health.
- Argan Oil: Known for its nourishing properties, argan oil is rich in fatty acids and vitamin E, which help to hydrate and soften hair. It also provides a protective barrier against environmental damage and heat styling, making hair more resilient and shiny.
- Keratin: As a natural protein found in hair, keratin helps to strengthen and repair damaged strands. Kérastase hair serums infused with keratin can improve hair elasticity and reduce breakage, resulting in healthier-looking hair.
- Vitamin B5 (Panthenol): This essential vitamin is known for its moisturizing properties, helping to retain moisture in the hair. It also adds shine and smoothness, making hair easier to manage and style.
- Castor Oil: Rich in ricinoleic acid, castor oil promotes hair growth and thickness. It has antibacterial properties that can maintain a healthy scalp environment, reducing flakiness and irritation.
- Hyaluronic Acid: This powerful humectant attracts and retains moisture, providing deep hydration to both hair and scalp. It helps to improve hair texture and maintain moisture levels, preventing dryness and brittleness.
- Silicones: Commonly found in hair serums, silicones create a protective layer around each hair strand, sealing in moisture and adding shine. They can also smooth out the hair cuticle, reducing frizz and enhancing manageability.
- Essential Oils: Many Kérastase serums incorporate essential oils, which not only provide a pleasant fragrance but also possess various benefits for hair health. For example, oils like lavender and rosemary can stimulate hair growth and promote a healthy scalp.
How Do You Properly Apply Kérastase Hair Serums for Optimal Results?
Apply on Damp Hair: The optimal time to apply hair serum is immediately after washing and conditioning your hair. Damp hair allows the serum to lock in hydration and nutrients, ensuring your hair remains hydrated and manageable throughout the day.
Use the Correct Amount: Using too much serum can lead to greasy or weighed-down hair, while too little may not provide the necessary benefits. Generally, a pea-sized amount is enough for short to medium hair, while longer hair might need a bit more, so adjust according to your hair’s density and length.
Distribute Evenly: To ensure even coverage, start by warming the serum in your hands. This helps activate the ingredients and allows for smoother application. Focus on the areas that typically need the most care, such as the ends, to ensure they are well-protected and hydrated.
Style as Usual: After serum application, you can proceed with your usual styling routine. Some Kérastase serums also provide heat protection, which is beneficial if you plan to use blow dryers or straighteners, reducing the risk of damage from styling tools.
What Do Customer Reviews Highlight About Kérastase Hair Serums?
Customer reviews highlight several key aspects of Kérastase hair serums, showcasing their effectiveness, texture, and specific benefits.
- Effectiveness in Repairing Damage: Many users report significant improvements in hair health after using Kérastase serums. They often cite reduced breakage and enhanced shine, which can be attributed to the serums’ nourishing ingredients that penetrate deeply to repair and strengthen hair.
- Moisture Retention: Customers frequently mention the ability of Kérastase serums to provide long-lasting hydration. These products are formulated with hydrating agents that help maintain moisture levels, resulting in softer, more manageable hair that resists dryness and frizz.
- Variety of Formulations: Reviewers appreciate the range of serums tailored to different hair types and concerns, such as frizz control, color protection, and strengthening. This variety allows users to choose a product that best meets their individual needs, enhancing their overall satisfaction.
- Lightweight Texture: Many people highlight the lightweight nature of Kérastase serums, which do not weigh hair down. This feature is particularly valued by those with fine or thin hair, as it allows for easy styling while still delivering essential benefits.
- Fragrance and Sensory Experience: Customers often rave about the pleasant scent of Kérastase serums, adding a luxurious experience to their hair care routine. The aromatic qualities make application enjoyable, and the fragrance lingers in the hair, providing a sense of freshness throughout the day.
- Visible Results: Numerous reviews point out visible improvements after just a few uses, with users noting shinier, smoother, and more vibrant hair. This quick turnaround reinforces the effectiveness of the formulas, making them a popular choice among hair care enthusiasts.