Advanced Keratin Protein
A strengthening protein that fortifies the hair fiber's inner core, helping to reduce breakage and restore strength to fine and thin hair.
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Nexxus
Nexxus Unbreakable Leave-In Spray 177ml
63.25
95.00
-33%New price(VAT incl.)
35.73 per 100 ml
56.92 with code GOLD10
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- Helps strengthen hair and reduce breakage when hair is combed, styled, or exposed to mechanical stress.
- Provides lightweight conditioning and detangling without weighing hair down.
- Adds softness and manageability, making hair easier to comb or style.
Benefits
- Hair & Nails
Volume177 ml
Allergy informationFor external use on hair only. Avoid contact with eyes; rinse immediately if contact occurs. Discontinue use if scalp irritation or allergic reaction occurs. Contains protein-based ingredients; patch-test first if you have known sensitivities to hair protein products. Store in a cool, dry place and keep out of reach of children.
Key Ingredients
Advanced Keratin Protein: A strengthening protein that fortifies the hair fiber's inner core, helping to reduce breakage and restore strength to fine and thin hair.
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Nexxus Unbreakable Leave-In Spray is designed for anyone with fine, thin, or fragile hair that breaks easily during styling or combing. The lightweight formula absorbs quickly without weighing hair down, delivering moisture and helping to reduce breakage while adding softness and manageability. Apply to damp or dry hair before styling, and use daily for best results—no rinsing needed.
Hydrolyzed Keratin — helps rebuild and strengthen hair fiber structure.
Biotin — supports hair resilience and overall strength.
Collagen Amino Acids — improve elasticity and flexibility of strands.
Panthenol (Pro-Vitamin B5) — moisturizes, softens, and improves hair manageability.
Light conditioning agents — aid detangling, reduce friction, and allow smooth styling.
ProteinFusion™ Strength Complex — a proprietary blend designed to reinforce hair structure from inside out. Lightweight Leave-In Formula — ensures nourishment and protection without heaviness. Anti-Breakage & Strength Support System — helps hair resist breakage and damage from everyday wear or styling.
From the product label.
Key Ingredients(3)
Biotin
A B-vitamin that supports hair strength and thickness, helping to maximize fullness and reduce breakage in fine hair.
Collagen Amino Acids
Amino acids rich in Arginine that provide inner-core strengthening properties, helping to fill in holes and cracks in the hair cuticle.
Specs last updated: June 15, 2026
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