K18 TripleBOND™ Oxidation Defense Purple Shampoo – Brightening Purple Shampoo for Blonde, Grey & Silver Hair

Neutralises Brassiness While Helping Strengthen Hair

K18 TripleBOND™ Oxidation Defense Purple Shampoo is a professional purple shampoo formulated to neutralise unwanted yellow and brassy tones while helping strengthen hair during cleansing. Powered by the patented K18PEPTIDE™, Microalgae, Purple Pigments and the TripleBOND™ Complex, this colour-safe formula cleanses gently while helping defend hair against oxidation that can contribute to dullness and brassiness. Blonde, highlighted, grey and silver hair is left brighter, cooler and healthier-looking without feeling dry.

• Neutralises yellow and brassy tones — High-performance purple pigments help maintain cooler blonde, silver and grey shades.
• Helps defend against oxidation — TripleBOND™ technology helps protect hair from oxidative stress caused by UV exposure, pollution and mineral deposits.
• Strengthens while cleansing — Patented K18PEPTIDE™ helps reduce protein loss and supports stronger-looking hair.
• Leaves hair soft and radiant — Cleanses thoroughly without stripping moisture, leaving hair smooth and full of shine.

Massage into wet hair until a rich lather forms. Leave on for 1–5 minutes, depending on the desired level of toning, then rinse thoroughly. Follow with K18 DAMAGE SHIELD Protective Conditioner or the K18 Leave-In Molecular Repair Hair Mask.

K18PEPTIDE™ · TripleBOND™ Technology · Purple Pigments · Colour-Safe Formula

Best for: Blonde hair • Bleached hair • Highlighted hair • Grey hair • Silver hair

Not ideal for: Dark hair without unwanted yellow tones or hair requiring a deep clarifying treatment.

What Is It?

K18 TripleBOND™ Oxidation Defense Purple Shampoo is a professional toning shampoo developed to keep blonde, silver and grey hair looking bright while helping protect against oxidation that contributes to brassiness. Unlike traditional purple shampoos that can leave hair feeling dry, this advanced formula combines colour correction with K18's haircare technology to cleanse gently while supporting stronger, healthier-looking hair.

It is ideal for maintaining salon-fresh blonde colour between appointments and reducing unwanted warm tones caused by washing, UV exposure and environmental stress.

Why You'll Love It

• Neutralises unwanted yellow and orange tones.
• Helps maintain brighter blonde, silver and grey shades.
• Cleanses without over-drying the hair.
• Supports stronger, healthier-looking hair.
• Colour-safe and suitable for chemically treated hair.
• Leaves hair soft, shiny and easy to manage.

Who Is It For?

Ideal for:

• Blonde hair
• Platinum blonde hair
• Bleached hair
• Highlighted hair
• Grey hair
• Silver hair
• White hair
• Colour-treated hair

Suitable for all hair textures that require brassiness control.

TripleBright Oxidation Defense Purple Shampoo | K18 Hair