K18 Detox Clarifying Shampoo
K18

K18 Detox Clarifying Shampoo

$31.49across 9 retailers
Model: K18-40035UPC: 858511001166
Lowest at Amazon
$38.00 at Amazon
Lowest at any Popular Retailer
$32.49 at Target

Where to Buy

Prices last updated: August 24th 2026 5:43 am

Pros

  • Provides a deep, clarifying cleanse that effectively removes buildup, excess oil, dirt, and metals in just one wash without harshness.
  • Sulfatree and non-stripping formula that leaves hair feeling clean, soft, and naturally voluminous without dryness or that annoying squeaky feeling.
  • pptimized to maintain hair and scalp health, making it safe and effective for color-treated and heat-styled hair.
  • Enhances the absorption and effectiveness of peptidased and bond-building treatments, such as the K18 hair mask.
  • Creates a refreshing, subtle scent and lathers well even with a small amount.
  • Instantly improves scalp cleanliness and hair manageability, leaving hair smoother, shinier, and lighter.
  • Particularly beneficial for oily scalps, controlling oiliness and preventing greasy roots after treatments like scalp oiling.
  • Can be used as a prep shampoo before deep conditioning or repair treatments for enhanced results.
  • Makes hair dry faster despite thick or long hair, improving styling ease.
  • Noticeable improvement in hair thickness, softness, volume, and overall quality after consistent use.

Cons

  • Can cause dryness if used alone without following up with a good conditioner or nourishing mask.
  • Recommended use is limited to once or twice a week (or even less frequently) due to strong clarifying effects, which might be inconvenient for some users.
  • Price is on the higher side, justified mostly by its performance but may not suit all budgets.
  • Not ideal for daily use, which may deter those looking for an everyday gentle shampoo.
  • Some users need to pair it with the K18 mask or a similarly hydrating conditioner to avoid dryness and maintain softness.

Bottom Line

The K18 PEPTIDE PREP™ Color-Safe Detox Clarifying Shampoo is a powerhouse clarifier that offers a gentle but thorough detox for color-treated and sensitive scalps without causing dryness or stripping. It’s perfect if you need a scalp reset, buildup removal, or want to prep hair for peptide treatments, but it demands pairing with a nourishing conditioner or mask to stay hydrated. If you’re looking for a sophisticated, science-backed clarifying shampoo that respects your color and boosts treatment absorption, this is a solid choice. Just don’t expect to use it daily, and be ready to invest a bit for quality results.

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What Reviewers Are Saying

Praised
deeply cleanses20%
doesn't strip hair20%
soft and fresh hair20%
gentle pH20%
healthy, shiny hair20%

Discussion

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