A professional leave-in molecular treatment designed to repair and strengthen damaged, chemically treated hair from within. Powered by advanced J18 technology, it works deep inside the hair fibre to restore elasticity, smoothness, and overall hair health in just one minute — without weighing the hair down.

WHY BEAUTY PROFESSIONALS CHOOSE J18 LEAVE-IN MOLECULAR

· Deep Molecular Repair — Works within the hair fibre to rebuild damage.

· Strength & Elasticity Boost — Improves flexibility and resilience.

· Lightweight Leave-In — Delivers repair without heaviness or residue.

· Instant Smoothing Effect — Enhances softness and manageability.

Key Features

· Biomimetic Molecular Complex J18 — Mimics natural peptides to repair hair from within

· Advanced Repair Technology — Helps reconnect broken hair structure

· No-Rinse Formula — Convenient leave-in treatment for ongoing repair

· Lightweight Conditioning — Smooths without weighing hair down

· 30ml & 118ml Travel Size — Ideal for retail and on-the-go use

HOW TO USE (PROFESSIONAL GUIDANCE)

During Protocol:

· Apply a small amount to clean, damp hair

· Distribute evenly through mid-lengths and ends

· Do not rinse

· Style as desired

For professional use only. Use only as directed.

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Professional Salon Brands | Trusted Beauty Supply Partner Australia

Professional Salon Brands supplies advanced hair repair systems and salon-quality products to beauty professionals across Australia. Our range is curated to support hair restoration, strength, and long-term hair health.

Looking for where to buy Jacques Janine J18 Leave-In Molecular in Australia? Professional Salon Brands provides reliable access to trusted salon brands, backed by expert support and dependable nationwide supply.

Repair, strengthen, and protect hair with advanced leave-in technology. Order today.