Innovation, performance and results A powerful duo designed to protect and repair hair in just 4 minutes. Three-quarter portrait of a woman with long soft blonde waves, luminous skin and elegant natural makeup Kaaral Extra K bio-peptide thermal leave-in mask and pre-treatment spray with original packaging on a transparent background. Gold Extra K letter logo on a transparent background, representing the Kaaral Extra K professional haircare line.

DISCOVER EXTRA K FULL TREATMENT

Professional system that repairs, strengthens, and protects hair in just 4 minutes.

The integrated, bio-peptide–powered treatment protects hair before technical services with the Pre-Treatment Spray and reconstructs it from within with the Thermal Leave-in Mask, leaving hair resilient, elastic, and luminous.

EXTRA K · FULL TREATMENT

The duo that repairs & shields

DISCOVER THE PRODUCTS

Pre -Treatment Spray EXTRA K PRO, A PROTECTIVE SPRAY
WITH BIOPEPTIDES , ACTS IN JUST 4 MINUTES.
Before any technical service-coloring, bleaching, toning or straightening-protecting the hair fiber 150 ml cod. K002
THERMAL LEAVE-IN MASK TO COMPLETE THE TREATMENT,
EXTRA K, THE LEAVE-IN MASK
that repairs and strengthens damaged hair in just 4 minutes, thanks to its biomimetic technology. Together, they createan integrated system for healthy hair. 50 ml cod. K001 - 15 ml cod. K0015
Extra K brand logo featuring a large gold letter K with the word EXTRA written vertically in white, displayed on a transparent background. Horizontal banner with the text “Professional Use Only” in white, framed by thin gold lines above and below, displayed on a transparent background. White Extra K Pro pre-treatment spray bottle with gold K logo, shown at an angle on a transparent background. Abstract scene of transparent glass spheres floating against a dark background, with reflective highlights and soft light beams creating depth and contrast. Extra K Bio-Peptide Thermal Leave-In Mask bottle by Kaaral, shown tilted diagonally with white cap and silver label featuring a gold K, on a transparent background.

FREQUENTLY ASKED QUESTIONS

Everything you need to know.

What is EXTRA K PRE-TREATMENT SPRAY used for?

It is a spray for professional use only, used before technical services; it reconstructs, restores, and protects the structure of the hair fiber. It restores damaged proteins and provides extra protection to the hair’s keratin and disulfide bonds.

How do I use EXTRA K PRE-TREATMENT SPRAY?

Spray the spray strand by strand onto dry or towel-dried hair, depending on the technical service being performed. Wait 4 minutes and proceed with the technical service as usual.

What is EXTRA K THERMAL LEAVE-IN MASK used for?

Protects and restores keratin and associated proteins, reconstructs the hair structure and deeply damaged hair fiber, and adds strength, elasticity, and body to the hair shaft.

How do I use EXTRA K THERMAL LEAVE-IN MASK?

Shampoo; Towel-dry hair, apply the product to lengths and ends, and leave on for 4 minutes. Do not rinse; proceed directly with your desired blow-drying.

What are BIO-PEPTIDES?

Bio-peptides are small chains of amino acids that penetrate the hair shaft and help repair micro-damage, making it more resistant and less brittle. With Extra K, you can protect and treat your hair in just 4 minutes.

THE SECRET TO SHINY, REGENERATED HAIR IS HERE!

Watch how the complete EXTRA K ritual transforms hair in just 4 minutes.

DISCOVER WHAT'S INSIDE!

Click to flip through our virtual brochure and get inspired.