
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 resultsโno rinsing needed.
Hydrolyzed Keratinย โ helps rebuild and strengthen hair fiber structure.
Biotinย โ supports hair resilience and overall strength.
Collagen Amino Acidsย โ improve elasticity and flexibility of strands.
Panthenol (Pro-Vitamin B5)ย โ moisturizes, softens, and improves hair manageability.
Light conditioning agentsย โ aid detangling, reduce friction, and allow smooth styling.
Nexxus Unbreakable Leave-In Spray is a lightweight formula designed to nourish and smooth hair with daily use. This expert-formulated spray delivers moisture and helps improve manageability, making it ideal for all hair types. Apply to damp or dry hair before styling for a soft, smooth finish. The non-greasy texture ensures your hair maintains volume and movement while receiving essential nourishment. Perfect for anyone seeking beautifully conditioned, manageable hair with natural shine and a touchable feel.
What It Does:
The lightweight spray absorbs quickly, delivering nourishing moisture without weighing hair down. Hair feels soft and manageable, looks naturally shiny, and maintains smooth texture throughout the day. The non-greasy formula keeps hair feeling light and natural.
The Experience:
Transform your hair care routine with this convenient leave-in spray. Hair feels instantly softer and more manageable, looks naturally radiant, and displays improved smoothness. The fine mist distributes evenly for effortless application.
How to Use:
Spray onto damp or dry hair, focusing on mid-lengths and ends. Comb through for even distribution, then style as usual. No rinsing required. Use daily for best results.
Perfect For:
Anyone seeking a lightweight leave-in spray that nourishes, smooths, and enhances manageability for soft, beautifully conditioned hair.
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Estimated delivery: 1โ3 business days
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Allergy Information
For 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.

A strengthening protein that fortifies the hair fiber's inner core, helping to reduce breakage and restore strength to fine and thin hair.

A B-vitamin that supports hair strength and thickness, helping to maximize fullness and reduce breakage in fine hair.

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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