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The K18 TripleBright Oxidation Defense Purple Shampoo is a breakthrough triple-action treatment designed to restore bright, cool-toned blonde and highlighted hair.
Powered by ionic detox, precision violet pigments, and protective biopolymers, this easy-to-apply foam shampoo removes up to 3 months of hard water brassiness in a single wash. It neutralizes unwanted yellow tones and defends against future metal reattachment—all without staining hands or overtoning strands.
4-minute leave-in treatment to reverse hair damage
- K18PEPTIDE™ is a biotech-developed peptide that mimics hair's structure to reverse damage by reconnecting polypeptide chains and disulfide bonds broken during bleaching, color and chemical services + heat.
- pH-optimized (5.0-6.0): Helps minimize cuticle swelling + put hair proteins in their most resilient state
- Cream format: Enables easy, lightweight application across all hair types, with detangling and softening benefits
Vegan, color-safe, cruelty-free
- Shampoo with K18 Damage Shield PH Protective Shampoo or K18 Peptide Prep™ Detox Shampoo, do not condition. Towel-dry thoroughly
- Apply 3-9 pumps of K18 Leave-In Molecular Repair Mask based on your length and density, starting at the ends and working up towards the roots
- Let sit for 4 minutes. Do not rinse out.
- Comb, add product + style as usual. Use for consecutively for 4-6 washes post-salon service, then as needed
Complete Your Routine
Frequently Asked Questions
TripleBright is formulated for anyone with natural or color-treated blonde, gray, silver, platinum, bleached, highlighted, or balayage hair. It is also ideal for brunettes with lightened/caramel highlights who want to keep their light strands bright. It is safe and effective across all hair textures—fine, medium, coarse, straight, wavy, curly, and coily.
No. TripleBright uses precision violet tone-correcting pigments combined with oxidation defense technology. It neutralizes unwanted yellow and warm brassy tones without over-depositing color or staining hair purple.
The primary difference comes down to target buildup versus target color:
TripleBright Shampoo: Eliminates oxidative brassiness, copper, and hard-water metals that cause lightened or gray hair to yellow.
K18 Detox Shampoo: Removes heavy product buildup, excess oils, and general environmental impurities.
Use TripleBright 1 to 2 times per week (or whenever warm, brassy tones appear) in place of your regular shampoo. Follow with the K18 Leave-In Mask or standard conditioner on non-mask days.
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