Products
Tech Line
A.R.S. - Advanced Repair System
Molecular Leave-In Mask

A.R.S. - Advanced Repair System

hairdressing products for profesionals
Molecular Leave-In Mask

Available sizes: 250 ml

Molecular Leave-In Mask

Tech Line by Professional Cosmetics, A.R.S. - Advanced Repair System completes your repair treatment with this concentrated leave-in mask designed specifically for the professional salon. Its advanced molecular technology penetrates deep into the hair fibre, repairing the cuticle and providing all-round protection to prevent breakage and strengthen the hair structure from the core.

This highly nourishing mask has been formulated to provide softness and strength, transforming chemically treated or damaged hair into a healthy, manageable mane, ideal for clients seeking long-lasting hair repair. It is the ultimate step in the A.R.S. system, optimised to strengthen each strand, leaving a smooth, shiny finish without the need for rinsing.

Key ingredients

PLEX
  • Repairs disulfide bonds in hair, restoring its structure after chemical treatments.
  • Ideal for clients who colour and bleach frequently, helping to reduce breakage and improve elasticity.
  • Increases heat resistance, extending colour life and softness.

Linseed
  • Rich in omega-3 fatty acids that deeply moisturise and control frizz.
  • Enables long-lasting styles with a soft, manageable texture and no heavy finish.
  • Promotes healthy growth, strengthens hair and reduces breakage.

Propanediol
  • Powerful humectant that facilitates penetration of other active ingredients, moisturises without greasiness and maintains lightness.
  • Improves texture and glide during cutting or styling, ensuring a smooth, knot-free finish.
  • Enhances the absorption of active ingredients, ideal for treatments before using heat tools.
Arginine
  • Strengthens the hair shaft, optimising follicle nutrition for fine and fragile hair.
  • Helps prevent hair loss and thinning, ideal for growth and density treatments.
  • Restores vitality after treatments, especially after aggressive chemical processes.

Ginseng
  • Antioxidant properties that protect the scalp and hair from oxidative stress.
  • Stimulates scalp microcirculation, improving hair follicle vitality.
  • Strengthens the hair fibre, enabling defined styles even on fine or damaged hair.

Key benefits for technical salon work:

Provides deep repair, hydration and strengthening for healthy, manageable hair with every service.
Molecular Leave-In Mask

How to use it?

  1. Apply to dry or damp hair, ideally after shampooing to maximise absorption.
  2. Spray the appropriate amount of product into the palm of your hand, depending on the length and density of your hair.
  3. Rub hands lightly together to activate the leave-in mask ingredients.
  4. Apply evenly from mid-length to ends, avoiding the roots for a light, residue-free finish.
  5. Do not rinse; allow hair to fully absorb the formula for deep repair and conditioning.

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Molecular Shampoo

Sulphate-free repair shampoo with Advanced Molecular Technology: Deep conditioning for dry and damaged hair. Strengthens and restores hair fibre with visible results from the first use.
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Molecular Rinse-Off Mask

Molecular Rinse-Off Mask

Liquid hair mask with advanced molecular technology that transforms into a cream when mixed with water, deeply repairing the hair and leaving it soft, shiny and strengthened.
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Bond Creator

Bond Creator

Bridge strengthening treatment that uses advanced molecular technology to protect and strengthen hair during chemical treatments, minimising damage and breakage.
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