Kérastase Blond Absolu 2% Pure Hyaluronic Acid Serum 50 ml – Moisturizing Repair Serum for Blonde Hair and Scalp

Intensive Treatment with 2% Hyaluronic Acid for Bleached, Dry and Sensitized Hair

The Kérastase Blond Absolu 2% Pure Hyaluronic Acid Serum 50 ml is the first skincare-inspired serum for blonde hair and scalp, formulated with the highest concentration of Macro and Micro Hyaluronic Acid in the Blond Absolu range.

A true professional treatment for bleached, lightened and sensitized hair, able to repair surface damage in a single use* and to provide intense, long-lasting hydration to both the fiber and the scalp.

Perfect for those looking for a hyaluronic acid serum for damaged blonde hair, lightweight yet highly effective.

Deep Hydration and Immediate Repair for Blonde Hair

Bleaching can alter hair structure and compromise the scalp barrier. This serum acts like a skincare treatment, but formulated specifically for hair.

High-Concentration Hyaluronic Acid Formula

• 2% of Pure Hyaluronic Acid (Macro + Micro)

• Restores deep hydration

• Plumps the hair fiber

• Preserves the scalp barrier

• Provides comfort and freshness to the scalp

Instrumental tests show:

• Repair of surface damage in a single use*

• Hair up to 95% stronger after application**

*Instrumental test after application of the 2% Pure Hyaluronic Acid Serum
**Instrumental test on bleached hair

Why Choose the 2% Pure Hyaluronic Acid Serum

Key Benefits

• Intense hydration for hair and scalp

• Immediate repair of sensitized fiber

• Plumping effect on blonde hair

• Ultra-light transparent gel texture

• Does not weigh hair down

• Ideal as a base before styling

Can be layered with Huile Cicaextreme to seal in hydration and maximize repair.

Who It's For

Perfect for:

• Bleached blonde hair

• Dry, dehydrated hair

• Sensitized scalp after chemical treatments

• Dull, fragile hair

• Intensive reconstruction routines

A must-have for those seeking a professional hyaluronic acid treatment for blonde hair.

How to Use

How to Apply the Serum

1. Apply to towel-dried hair.

2. Use 7 to 13 pumps on the lengths (depending on hair length).

3. Apply up to 7 pumps on the scalp, section by section.

4. Gently massage.

5. Proceed to blow-dry.

For complete repair, seal the ends with Huile Cicaextreme oil.

No specific precautions are necessary under normal conditions of use.

Key Ingredients

Key Actives

• Sodium Hyaluronate (Hyaluronic Acid)

• Glycerin

• Citric Acid

• Hydroxyethylpiperazine Ethane Sulfonic Acid

Ingredient lists may be updated. We recommend always checking the INCI listed on the packaging.

FAQ – Frequently Asked Questions

All About the 2% Pure Hyaluronic Acid Serum

1. Is it suitable for the scalp?

Yes, it is formulated to hydrate and preserve the scalp barrier.

2. Does it weigh down fine hair?

No, the gel texture is ultra-light.

3. Should it be rinsed out?

No, it is a leave-in treatment.

4. Can it be used daily?

Yes, especially on very dry or sensitized hair.

5. Is it only for bleached hair?

It is ideal for bleached blonde hair, but can also be used on naturally blonde dry hair.

6. Can it be combined with other Blond Absolu products?

Yes, it works perfectly in combination with Huile Cicaextreme or Cicaplasme.