![An overnight serum with hyaluronic acid to hydrate, restore, and soften hair damaged from lightening treatments. An overnight serum with hyaluronic acid to hydrate, restore, and soften hair damaged from lightening treatments.](https://cdn11.bigcommerce.com/s-vd54pgkzj9/images/stencil/300x300/products/608/4422/s2371938-main-zoom__87975.1668723070.jpg?c=1)
![An overnight serum with hyaluronic acid to hydrate, restore, and soften hair damaged from lightening treatments. An overnight serum with hyaluronic acid to hydrate, restore, and soften hair damaged from lightening treatments.](https://cdn11.bigcommerce.com/s-vd54pgkzj9/images/stencil/160w/products/608/4425/kerastase-blond-absolu-serum-cicanuit-hair-serum-before-after__47529.1668723070.jpg?c=1)
![An overnight serum with hyaluronic acid to hydrate, restore, and soften hair damaged from lightening treatments. An overnight serum with hyaluronic acid to hydrate, restore, and soften hair damaged from lightening treatments.](https://cdn11.bigcommerce.com/s-vd54pgkzj9/images/stencil/160w/products/608/4419/kerastase-blond-absolu-serum-cicanuit-hair-serum-ingredients__60188.1668723070.jpg?c=1)
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).