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R21 Cortex Rebuilder

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$49.95
$49.95
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A high-performance synergy of clinical actives and holistic scalp-health boosters:

CortexR21™ Peptide Matrix — targets internal hair bonds to strengthen from the core

Hydrolyzed Silk Protein — enhances elasticity and protects against further breakage

Amino Acid Rebuilder Complex — refills protein gaps and smooths the fiber surface

Ceramide NP — restores the hair barrier for softness and moisture retention

Plant Stem Cell Extracts — support longevity and vitality of both strand and scalp

Hyaluronic Moisture Network — delivers deep hydration without weighing hair down

Antioxidant Botanicals — protect against environmental and oxidative stress

Each ingredient works in harmony to rebuild what was lost and protect what remains.
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Description

WHAT IT IS

Welcome to the next generation of structural hair repair. R21 Cortex Rebuilder is an advanced trichology-grade treatment engineered to strengthen weakened hair from the inside out. Designed for individuals experiencing thinning, breakage, chemical damage, or hair loss related to follicle miniaturization, this formula penetrates deeply into the cortex layer — the very architecture of your strand.

Powered by CortexR21™ Bio-Repair Technology, this luxurious serum deposits essential proteins, amino acids, and cellular-strengthening actives that reinforce internal hair bonds and rebuild the fiber matrix. The result? Resilient, denser-feeling, more youthful-looking hair that behaves like itself again.

If your strands feel fragile, limp, or chronically stressed, this is your restoration blueprint.

WHY YOU’LL LOVE IT

R21 Cortex Rebuilder doesn’t just coat your hair — it transforms it.

Reinforces the cortex to dramatically reduce breakage and mid-shaft snapping

Restores elasticity and tensile strength, improving how hair moves and responds to styling

Rebuilds protein gaps caused by heat damage, chemical treatments, and chronic thinning

Supports scalp and follicle health by creating a stronger hair fiber emerging from a healthier root

Elevates shine, density, and fullness, promoting a visibly thicker appearance

Luxurious, lightweight texture with immediate and long-term results

Trichologist-formulated with a holistic beauty approach rooted in science

As Dr. Leola teaches: when you rebuild the cortex, you rebuild confidence.

HOW TO USE

After cleansing, apply a generous amount to damp hair, focusing on mid-lengths to ends.

Work through section by section to ensure full cortex penetration.

Leave on for 10–15 minutes for deep rebuilding.

Rinse thoroughly.

Use 2–3 times per week or as recommended in your FollicleFix RX® regimen.

For severe thinning or breakage, pair with your Cell Decode™ scalp protocol for amplified results.

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