Kerastase Blond Absolu 2% Pure Hyaluronic Acid Serum

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Hydrating skincare serum, now for hair. New Blond Absolu 2% Pure Hyaluronic Acid Serum by Kérastase is a hydrating, repairing blonde hair and scalp serum. It’s the ultimate blonde repair serum for bleached blondes, as it contains Hyaluronic Acid – with our highest concentration of Macro and Micro Hyaluronic Acid – to repair the surface damage of hair and moisturize both scalp and hair. 


What it is: A lightweight, dual-action serum that repairs hair and soothes the scalp, formulated with pure hyaluronic acid to condition blonde hair and provide instant hydration.


Hair Type: Straight, Wavy, Curly, and Coily


Hair Texture: Fine, Medium, and Thick


Hair Concerns:

- Damage, Split Ends, and Breakage

- Dryness

- Shine


Key Benefits:

- Repairs up to one year of surface damage caused by blonding or lightening services in one use

- Soothes and protects against scalp dryness

- Instantly hydrates and adds shine to hair


Highlighted Ingredients:

- Hyaluronic Acid: Ultra-concentrated acid to instantly hydrate, repair damage, soothe scalp, and add shine.


What Else You Need to Know: Introduce the iconic skincare ingredient, hyaluronic acid, to your hair-care routine with this dual-action, leave-in serum. The two percent pure hyaluronic acid in this serum will soothe the scalp and instantly hydrate hair. From scalp to ends, this serum is loved by professionals to create healthy-looking, shiny blonde hair. It’s most effective when applied to wet or towel-dried hair to activate the hyaluronic acid ingredient.


Fragrance Description: Iconic California Splash with citrus top notes, peony and fig at the heart, and musky cedarwood base notes


Clinical Results: In a controlled study using Blond Absolu Hyaluronic Acid Hair Serum, results showed (vs. non-conditioned shampoo):

- Reduces breakage, +45% stronger hair

- Instantly moisturizes for +25 % more hydrated hair


Suggested Usage:
-After washing hair with Blond Absolu Shampoo and Conditioner for Blonde Hair (each sold separately), apply as the last step in your routine to towel-dried hair and scalp.
-Depending on hair length, type, and texture, pump 7-13 doses into the palm of the hand and use fingers to massage into scalp and mid-lengths to ends of hair (1 pump = 1 dose).
-Do not rinse.
-Can be used immediately after hair color treatment.

Pro tip:
-Use after your first wash post in-salon color service to instantly repair damage from lightening services, soothe, and add hydration.
-For ultimate repair and hydration, pair with Blond Absolu Strengthening Hair Oil for Very Damaged Blonde Hair (sold separately).