NuProtect Leave-In Hair Primer

A silicone-free, color-safe leave-in conditioner and styling primer that’s designed to instantly hydrate, detangle, and lock in 24-hour frizz control. It can help enhance shine, reduce breakage, and protect hair from heat up to 450° F for silkier, stronger, healthier-looking hair.

Features

• Formulated to provide:
  • Effortless detangling
  • Frizz control
  • Heat protection
• Helps prevent buildup and supports long-term scalp and follicle health
• Designed for all hair types
• Color-safe
• Dermatologist tested
• Vegan and cruelty-free
• Free from sulfates and silicone
• 5 fl oz

Key Ingredients

• Biodesigned Elastin: Biomimetic, full-length elastin protein containing 786 amino acids that helps supplement elastin where it’s most needed to anchor the hair follicle to the hair root system—minimizing fall out and supporting scalp health
• Biodesigned Keratin: Vegan, biomimetic keratin, Type I Cuticular Ha1 (KRT31), made up of 416 amino acids, reinforces tensile strength and forms a protective barrier that combats heat damage and breakage
• Follicle Defense Complex: Blend of bioactive polyphenols + silicone alternative protectants to help hydrate, detangle, and provide advanced environmental and heat protection up to 450° F/232° C and prime for effortless styling

Clinical Study Results

• Clinically proven heat protection and 24-hour frizz control after just one use
• Shields hair from thermal damage up to 450° F/232° C
• Requires 93% less combing force on wet hair and 76% less on dry hair, helping prevent stress and breakage
• Delivers 75% reduction in frizz instantly, maintaining 73% frizz control after 24 hours in 80% humidity
• Provides 68% less breakage with heat styling and 67% overall breakage reduction

*Based on the results of independent tress tests conducted after single application of NuProtect Leave-In Primer

How to Use

• Spray generously onto clean, damp hair
• No rinsing required. Style as desired
• May be applied to dry hair—especially thicker or curlier hair types—to boost shine and hydration while smoothing flyaways and frizz

Ingredients

Aqua/Water/Eau, Glycerin, Pentylene Glycol, Squalane, Propanediol, Behentrimonium Methosulfate, Cetyl Alcohol, Stearyl Alcohol, Keratin, Panthenol, Coconut Alkanes, Coco-Caprylate/Caprate, Ellagic Acid, sh-Polypeptide-50, Sodium PCA, Butylene Glycol, Citric Acid, Cetyl Glyceryl Ether, Caprylhydroxamic Acid, Sodium Benzoate, Potassium Sorbate, Fragrance (Parfum), Tetramethyl Acetyloctahydronaphthalenes, Hexyl Cinnamal, Limonene, Hydroxycitronellal, Citrus Aurantium Peel Oil, Citrus Limon Peel Oil, Citrus Aurantium Bergamia Peel Oil, Geranyl Acetate, Lavandula Oil/Extract, Pinene, Linalyl Acetate, Linalool

About the Brand

At NULASTIN®, we believe healthy hair starts at the root. Our science-backed, elastin-powered formulas are designed to strengthen follicles and help promote fuller, stronger and more resilient hair. We combine clinical research with innovative technology to create products that deliver real results, giving you the confidence to look and feel your best. Consistent care, powered by protein and smart science, is all it takes to transform your hair health. From scalp to strands, NULASTIN® is your partner in building a routine that works—backed by science, designed for real life and proven to deliver noticeable results.