Overview

The Kerastase Blond Absolu Hyaluronic Acid Hair Serum 1.7 fl Oz is a specially formulated serum designed to meet the needs of bleached and highlighted blonde hair. This lightweight hair serum provides deep hydration, helping to repair and nourish damaged strands while soothing the scalp. It works to instantly hydrate hair, enhancing its shine and delivering a smoother, healthier appearance. Whether you're managing over-processed hair or simply looking to maintain blonde locks, this serum can become a key part of your routine for restoring vitality.

Key Ingredients & Benefits

At the heart of this product is 2% Hyaluronic Acid, known for its ability to retain moisture and deeply hydrate the hair. This key ingredient works to repair damage, reduce breakage, and minimize frizz. The serum also helps soothe the scalp, leaving hair feeling nourished and refreshed. With regular use, it enhances hair texture, promoting a healthier and more radiant look. Its lightweight, non-greasy formula ensures that the product won’t weigh hair down, making it an excellent choice for daily use.

Best For

This serum is ideal for anyone with bleached or highlighted blonde hair that requires hydration and repair. It's especially suitable for individuals dealing with dryness, damage, or frizz due to color treatments. If you’re looking for a product that can provide both shine and moisture without leaving a greasy residue, this hair serum is a great choice. Those with sensitive or irritated scalps will also appreciate the soothing benefits of this lightweight treatment, making it an excellent addition to any hair care routine.

User Feedback

Users have praised the Kerastase hair treatment for its ability to hydrate hair without weighing it down. Many have reported noticeable improvements in hair texture, with their strands becoming smoother and more manageable after consistent use. The serum's light texture and pleasant scent also make it easy to incorporate into daily routines. However, some users have mentioned that it may take a few weeks of regular use to see significant results. Overall, it’s seen as a reliable product for those with damaged blonde hair seeking repair and hydration.

Pros

  • This serum provides noticeable hydration without leaving hair greasy or weighed down.
  • Users report smoother, shinier hair with consistent daily use.
  • Its lightweight formula makes it suitable for fine to medium hair types.
  • It works well for repairing damaged hair, especially after bleaching or highlighting.
  • The serum is easy to incorporate into daily hair routines due to its quick absorption.
  • Many users appreciate its light, pleasant fragrance that isn’t overpowering.

Cons

  • Some users with thick or coarse hair found the product too lightweight for deep nourishment.
  • The scent fades relatively quickly, which may be a downside for those preferring longer-lasting fragrances.
  • A few buyers noted that it didn’t provide enough moisture for very dry, over-processed hair.
  • This serum may not be effective for users seeking dramatic repair for severely damaged hair.
  • It may feel insufficient for individuals with a very oily scalp, especially if used daily.
  • Some users with curly hair reported that it didn’t define their curls or reduce frizz as much as expected.

Ratings

After analyzing global user feedback for Kerastase Blond Absolu Hyaluronic Acid Hair Serum 1.7 fl Oz across multiple languages and platforms, we present these ratings. Only authentic, high-quality reviews were considered, excluding spam, incentivized, or off-topic feedback. The ratings reflect both the strengths and pain points highlighted by users, offering a balanced overview from diverse sources worldwide.

Effectiveness in Hydration
93%
Many users mention the serum's ability to deeply hydrate hair, leaving it feeling nourished and moisturized without feeling greasy. The 2% hyaluronic acid content is frequently praised for providing lasting moisture to dry, damaged hair, improving overall texture and manageability.
Some users note that while the hydration is effective, it may not be sufficient for extremely dry or thick hair types. A few also mentioned that they required more product for longer hair, which could lead to faster usage and higher cost over time.
Shine Enhancement
89%
Buyers consistently report an impressive increase in shine, with hair looking healthier and more vibrant after just a few uses. Many find that the product leaves their hair with a glossy finish without weighing it down or making it look greasy.
However, some users feel that the shine effect wears off after a few hours, especially in more humid or hot environments. A few noted that the shine was not as noticeable on darker shades of blonde or brown hair.
Repairing Damaged Hair
85%
Users frequently highlight the serum's ability to reduce breakage and frizz, with some even reporting visibly smoother hair after regular use. It’s especially appreciated for repairing hair that has been damaged by bleaching or excessive heat styling.
A minority of reviewers mentioned that they didn’t notice significant improvement in their hair’s overall strength, especially those with severely damaged strands. For some, the repair benefits were not as noticeable as anticipated.
Texture and Feel
91%
The lightweight, non-greasy texture is a common highlight among users, as it absorbs quickly into the hair without leaving any sticky residue. Many find that it does not weigh down fine hair, making it suitable for daily use without buildup.
However, a few users with thicker hair mentioned that the serum's texture didn't fully penetrate their hair and left a slightly oily feeling after application. Some also felt the texture wasn’t as smooth or pleasant as other products they’ve tried.
Scalp Soothing
88%
Numerous reviewers appreciate how this serum soothes the scalp, particularly those with sensitive or dry scalp issues. It’s noted for helping calm irritation and creating a more comfortable environment for the hair to grow.
There are a few who felt that while the serum worked well on the hair, it didn’t provide as much relief for scalp dryness or flakiness as they had hoped. For some, the soothing effects were subtle and took time to notice.
Absorption and Finish
90%
The serum’s quick absorption is a big plus, with users saying it doesn’t leave any residue. Hair feels instantly smoother and looks shiny without the heaviness of other treatments, making it great for everyday styling.
A small group of users mentioned that the finish wasn’t as silky as they expected, particularly for hair that is very coarse or damaged. They felt it didn’t quite live up to the smooth finish promised for all hair types.
Fragrance
84%
The light, pleasant fragrance of the serum is frequently highlighted as a positive feature. Many users appreciate that it isn’t overpowering, making it suitable for those sensitive to strong scents.
However, a few users found the scent too subtle or short-lived, with some wishing it lasted longer throughout the day. Others preferred a more fragrant product and felt the scent was too faint for their liking.
Ease of Use
93%
The easy application and quick absorption are major plus points. Reviewers love how simple it is to incorporate this serum into their daily routine, with no complicated steps or residue left behind after use.
Some users with thicker hair mentioned that they needed to use a larger amount of product to achieve the desired results, which may make it less convenient for them in the long run.
Packaging and Dispensing
85%
The packaging is praised for its sleek design and ease of use. Many find the dispenser efficient, providing the right amount of product with each pump, which minimizes waste.
A few reviewers mentioned that the packaging could be improved, with some expressing frustration over not being able to access the last bits of serum once it’s nearing the end. Some felt the pump was not as sturdy as expected.
Suitability for Daily Use
92%
The serum is often noted for being light enough for daily use, with many users incorporating it into their morning or evening routine without any issues. It doesn’t feel too heavy or leave hair greasy, making it a solid everyday product.
Some users with thicker or coarser hair felt that using this product daily wasn’t enough to significantly improve their hair’s condition over time. They felt they needed a more intensive treatment for their hair type.
Consistency of Results
87%
Many users report consistent results with this serum, particularly in terms of hydration and smoothness. The effects are typically noticeable after a few uses, making it easy to see its impact on hair health.
However, some users mentioned that the results could be inconsistent, with variations in how well the serum worked depending on the condition of their hair at the time. For some, the improvement wasn’t as pronounced on different days.
Value for Money
86%
Users feel that the price is justified by the product’s effectiveness, particularly in terms of hydration, shine, and nourishment. Many consider it a worthwhile investment for those with damaged blonde hair looking for a reliable daily serum.
Some buyers feel the product is a bit pricey for its size, especially since they find themselves using more than expected. A few would have preferred a larger bottle for better value in the long run.

Suitable for:

Kerastase Blond Absolu Hyaluronic Acid Hair Serum 1.7 fl Oz is ideal for individuals with bleached or highlighted blonde hair in need of hydration and nourishment. Users looking to repair damaged strands will appreciate how this serum works to reduce breakage and frizz while providing a healthy shine. Its lightweight, non-greasy texture makes it suitable for those with fine to medium hair, especially those who want hydration without heaviness. Additionally, people with sensitive scalps will benefit from its soothing properties, as it helps calm irritation. This product is great for daily use, especially for those seeking a quick, effective solution to enhance hair smoothness and manageability.

Not suitable for:

While this serum works well for many, it may not be the best choice for individuals with very thick or coarse hair who require more intense moisture or repair. Some users with severely damaged hair reported that it didn’t provide the level of restoration they were expecting. Those with extremely oily hair or scalp may find the product too heavy for their needs, especially with daily use. Additionally, if you’re looking for a long-lasting fragrance, this serum’s light scent might not satisfy those who prefer a more potent aroma. Lastly, users who want visible results after one or two uses may not see immediate improvement with this product.

Specifications

  • Brand: Kerastase is a premium brand known for its hair care products focused on luxury and performance.
  • Product Name: Blond Absolu Hyaluronic Acid Hair Serum.
  • Size: 1.7 fl Oz (50 mL).
  • Key Ingredient: Contains 2% Hyaluronic Acid for deep hydration and moisture retention.
  • Texture: Lightweight and non-greasy formula that absorbs quickly into the hair.
  • Usage: Can be used daily as part of your hair care routine.
  • Hair Type Compatibility: Suitable for all blonde hair types, including bleached and highlighted hair.
  • Primary Benefit: Hydrates, repairs, and adds shine to damaged or dry hair.
  • Fragrance: Has a light, pleasant fragrance that is not overpowering.
  • Target Audience: Ideal for individuals with bleached, highlighted, or over-processed blonde hair.
  • Scalp Benefits: Soothes the scalp, providing comfort for sensitive or irritated skin.
  • Repair Function: Helps reduce breakage and frizz, repairing damaged hair strands.
  • Finish: Leaves hair looking smoother and shinier without a greasy residue.
  • Formulation: Serum-based formulation designed for easy application.
  • Texture After Use: Hair feels soft and nourished without being weighed down.
  • Packaging: Comes in a compact, travel-friendly 1.7 fl oz bottle.
  • Hydration Duration: Provides long-lasting hydration, keeping hair moisturized throughout the day.
  • Ease of Use: Can be easily incorporated into daily routines and applied without mess.
  • Effectiveness: Proven to enhance hair texture and overall appearance with consistent use.

FAQ

Apply a small amount of this serum to clean, towel-dried hair. Focus on the ends and mid-lengths, avoiding the roots. Comb through for even distribution, then style as usual. It can be used daily to hydrate and protect bleached or highlighted hair.

The main active ingredient is 2% Hyaluronic Acid, which deeply hydrates and retains moisture. It also helps repair damaged strands, reducing frizz and breakage while improving the texture of your hair.

Yes, this serum is suitable for all hair types, including curly and fine hair. Its lightweight, non-greasy formula hydrates without weighing hair down, making it ideal for those with finer strands or those looking for a smoother, shinier finish.

Absolutely! This product is designed to hydrate and smooth dry, frizzy hair, particularly for those with damaged or bleached strands. Regular use can help reduce frizz and enhance overall hair texture.

Yes, this serum is specifically formulated for bleached and highlighted blonde hair, making it safe and beneficial for color-treated hair. It helps maintain hydration and adds shine without causing any damage to the color.

The fragrance of this serum is light and pleasant but not overpowering. It lasts for a few hours, providing a subtle fresh scent, but it is not a long-lasting fragrance like some styling products.

This serum stands out due to its high concentration of hyaluronic acid, which offers deep hydration and moisture retention. Unlike heavier creams or oils, it hydrates without weighing the hair down, giving it a smooth, non-greasy finish.

Yes, this product is suitable for daily use. Its lightweight formula allows for consistent application without buildup, making it perfect for those looking for daily hydration and shine.

Generally, this serum is well-tolerated. However, if you have sensitive skin or an allergic reaction to any ingredients, it's best to do a patch test before full application. If irritation occurs, discontinue use and consult a dermatologist.

Store the serum in a cool, dry place, away from direct sunlight. Be sure to tightly close the cap after each use to maintain its effectiveness and prevent contamination.