Bring skincare science to your blonde hair with Kérastase Blond Absolu 2% Pure Hyaluronic Acid Serum—a concentrated, leave-in treatment designed to hydrate, repair, and protect both hair and scalp. Formulated with the highest concentration of macro and micro hyaluronic acid in any Kérastase product, this lightweight gel serum instantly replenishes moisture, strengthens sensitised fibres, and soothes the scalp after bleaching or lightening. The result? Stronger, shinier, and more resilient blonde hair that feels plump, soft, and deeply nourished.

Key Benefits

• Instantly hydrates hair and scalp after blonding services
• Repairs surface damage in just one use*
• Strengthens hair by up to 45% and reduces breakage**
• Boosts shine by 43% and improves softness by 25%*
• Preserves scalp moisture barrier for lasting comfort
• Lightweight, non-greasy formula suitable for daily use
• Ideal for bleached, highlighted, or lightened blonde hair
  *Instrumental test after application of 2% Pure Hyaluronic Acid Serum
  **vs non-conditioning shampoo

Key Ingredients

• 2% Pure Hyaluronic Acid (Macro & Micro) – Deeply hydrates, plumps hair fibres, and reinforces scalp hydration
• Edelweiss Flower Extract – Rich in antioxidants to protect and soften sensitised strands