Extra K is an advanced hair reconstruction system designed to restore strength, elasticity, and shine to all hair types. Powered by innovative and high-performance ingredients, it works deep within the hair fiber to repair damage caused by chemical treatments, heat, and external stressors, delivering visible results from the very first application.Combining professional performance with ease of use, Extra K offers versatile solutions for both salon and at-home care, featuring lightweight textures and fast-acting formulas that do not weigh the hair down.From express treatments to fully customizable rituals, Extra K enhances hair quality, leaving it softer, healthier, and more resilient over time while ensuring long-lasting protection and radiance.