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K18

K18 Damage Shield pH Protective Shampoo — 250 ml

K18 Damage Shield pH Protective Shampoo — 250 ml

Clean Hair Without the Stripped, Puffy After-Feel

A color-safe, pH-optimized daily shampoo powered by K18PEPTIDE™.

Regular price $19.99 USD
Regular price $29.99 USD Sale price $19.99 USD
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A daily protective cleanse for smoother, shinier, stronger-looking hair — without the stripped, rough feeling. K18 Damage Shield pH Protective Shampoo is a color-safe, pH-optimized shampoo powered by patented K18PEPTIDE™ to cleanse hair and scalp while helping protect against the damage that can build up from frequent washing, styling and everyday environmental stress.

  • Helps reduce frizz, dullness and tangling by limiting excess cuticle swelling during washing
  • Helps preserve color vibrancy and keeps hair looking smoother and shinier
  • Supports healthier, stronger-feeling hair with K18PEPTIDE™
  • Gently cleanses without weighing hair down
  • Microbiome-friendly formula designed to be gentle on the scalp
  • Suitable for all hair types, including damaged, dry, frizzy, color-treated and chemically treated hair

Why you’ll want it: If ordinary shampoo leaves your hair feeling puffy, tangled or dull after washing, this is the upgrade. Its optimized pH helps keep the cuticle more controlled through the wash, so hair comes out feeling cleaner, softer and easier to manage instead of stripped.

Proven consumer results: In K18’s consumer testing after consistent use, 91% said their hair looked healthier, 91% said it felt smoother, and 91% said it did not feel weighed down.

How to use: Massage into wet hair, focusing on the scalp. Rinse thoroughly and repeat as needed. Safe to use every time you wash. For best results, follow with K18 Damage Shield Protective Conditioner.

Size: 250 ml / 8.5 fl oz.

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Why it works

The pH-optimized formula helps limit excess cuticle swelling during washing, while patented K18PEPTIDE™ supports healthier, stronger-feeling hair. It is color-safe and designed to cleanse without weighing hair down.

Who it is for

Suitable for all hair types, including dry, damaged, frizzy, color-treated, and chemically treated hair. It is designed to be gentle enough for every wash.

How to use

Massage into wet hair, focusing on the scalp. Rinse thoroughly and repeat as needed.

Size: 250 ml / 8.5 fl oz.