K18 launched TripleBright Oxidation Defense Purple Shampoo — a science-driven breakthrough engineered to deliver blonde hair that looks Blonde Like New.

Unlike traditional purple shampoos that temporarily mask brassiness, TripleBright is designed to address the root causes of dull, oxidized blonde that works in three dimensions: Remove. Neutralize. Defend.

Suveen Sahib, Co-founder and CEO of K18, commented, 

“For decades, the industry has treated brassiness as a surface-level color issue, when in reality, oxidation is a chemistry problem that distorts tone over time. Whether hair is lightened in the salon or at home, oxidative stress and mineral buildup compromise clarity. TripleBright was engineered to correct that distortion at its source by removing buildup, neutralizing with calibrated precision, and helping defend against future tone shifts.”

TripleBright removes up to three months of brass-causing hard water and mineral buildup in just one wash, helping to restore ideal tone and improve light reflection at the surface of the hair.

An optimized violet pigment system neutralizes unwanted yellow tones—correcting brassiness while minimizing over-deposition and staining. Delivered through a lightweight foam for effortless, even distribution, this precision technology ensures controlled application and consistent toning from root to tip.

Lastly, A lightweight biopolymer helps protect the hair from additional metal and mineral build-up that could occur at subsequent washing, helping preserve brightness between salon visits.

The non-staining, easy-to-apply foam format allows for controlled, targeted application that rinses clean with water, eliminating concerns around over-toning, uneven deposits, or purple staining on hands and surfaces.

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