KÉRASTASE Nutritive Split Ends Hair Serum — 1.7 fl oz lightweight leave-in oil for dry, damaged ends, ultra-sealing nourishment &

KÉRASTASE Nutritive Split Ends Hair Serum is a leave-in oil treatment that seals split ends, deeply nourishes dry hair, and delivers instant smoothness and shine.

This lightweight, ultra-sealing serum is formulated to restore softness to dry, damaged ends while helping prevent future breakage. It combines plant-based proteins and niacinamide in an oil base to lock in moisture, reduce visible splitting, and leave hair with a radiant finish. Use it as a targeted finishing step on towel-dried or dry hair to tame frizz and protect vulnerable lengths without weighing hair down.

How does this serum reduce split ends and prevent future damage?

The formula works by filling and smoothing rough cuticle edges while delivering nutrients and hydration to weakened fibers. Anti-dryness polymers form a lightweight seal around the ends to reduce friction and slow moisture loss, so split ends are less likely to worsen with styling.

• Plant-based proteins reinforce hair structure at the ends.
• Niacinamide helps retain hydration for longer-lasting strength.
• Ultra-sealing polymers coat and smooth cuticles to minimize breakage.
• Leave-in application prevents daily mechanical and heat damage.

When and how should I apply the Nutritive Split Ends Serum?

Apply after washing or to dry hair as a targeted treatment for the mid-lengths and ends. Dispense the recommended number of doses into your palm, warm the oil briefly, and massage gently into ends — do not rinse out. It can be used daily or before heat styling for added protection.

• Use on towel-dried hair for best absorption.
• Five small doses suggested for full, shoulder-length hair; adjust by length and thickness.
• Massage thoroughly into ends; avoid roots to prevent heaviness.
• Safe to layer under styling products or after heat protectant.

Will this serum make my hair greasy or heavy?

No — the Nutritive Split Ends Serum is designed to be non-greasy and lightweight, providing nourishment without leaving a heavy residue when used correctly. A few drops focused on ends deliver shine and softness while preserving natural movement.

• Use small amounts and distribute evenly to avoid buildup.
• Formulation targets dry ends rather than roots to keep volume intact.
• Works on all hair types prone to dryness, from fine to thick.
• Layering is possible but excess product can be blotted or redistributed.

How does this serum fit into a complete haircare routine?

The serum is a targeted finishing step within the KÉRASTASE Nutritive regimen, complementing a nourishing shampoo, conditioner, and heat protectant. For daytime manageability use the split ends serum; for overnight replenishment pair with a dedicated night serum from the collection.

• Start with a Nutritive shampoo and conditioner for base hydration.
• Apply heat protectant before hot tools, then add the split ends serum to ends.
• Use the 8H Magic Night Serum for intensive overnight repair.
• Regular use reduces visible splitting and improves hair texture over time.

Who is this for: KÉRASTASE Nutritive Split Ends Hair Serum is ideal for anyone with dry or damaged ends looking for a lightweight leave-in oil that smooths, seals, and boosts shine. It suits all hair textures that need targeted nourishment at the lengths and ends — especially hair exposed to heat styling, chemical services, or daily mechanical stress. If you want instant softness, better-looking ends, and a manageable finish without weighty residue, this serum is engineered to be part of your daily styling and repair routine.

Ingredients

Isododecane, Dimethicone, Dimethiconol, Tocopherol, Glyceryl Linoleate, Zea Mays Germ Oil / Corn Germ Oil, Glyceryl Oleate, Linalool, Hydroxycitronellal, Benzyl Salicylate, Benzyl Alcohol, Hexyl Cinnamal, Citronellol, Alpha-Isomethyl Ionone, Glyceryl Linolenate, Coumarin, Limonene, Parfum / Fragrance.