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K18 bottle front view showing label and benefits
K18 pump top and label close-up highlighting ingredients
K18 charcoal-infused lather texture showing deep cleansing action
K18 shampoo being applied in hand demonstrating easy use
K18 16 fl oz bottle beside ruler showing actual product size
K18 shampoo with K18 mask illustrating pre-treatment routine
K18 shampoo on bathroom shelf conveying daily-care convenience
K18 bottle front view showing label and benefits
K18 pump top and label close-up highlighting ingredients
K18 charcoal-infused lather texture showing deep cleansing action
K18 shampoo being applied in hand demonstrating easy use
K18 16 fl oz bottle beside ruler showing actual product size
K18 shampoo with K18 mask illustrating pre-treatment routine
K18 shampoo on bathroom shelf conveying daily-care convenience
Home/Collections/Exfoliators & Acids (AHA/BHA)/K18 Peptide Prep Detox Shampoo — Color-Safe Clarifying Shampoo 16 fl oz with Activated Charcoal & Salicylic Acid

K18 Peptide Prep Detox Shampoo — Color-Safe Clarifying Shampoo 16 fl oz with Activated Charcoal & Salicylic Acid

£71.70
£71.70
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Vendor: K18
Availability: In stock
Subtotal: £71.70

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  • 10% off everything, applied automatically at checkout. No code needed.
  • Free UK delivery, no minimum spend. Dispatched within 1 business day; usually 2–5 business days after dispatch.
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Return & RefundShipping PolicyTerms of Service

Free UK delivery

Every order, no minimum spend.

Free UK delivery

Standard UK delivery is free on every order, with no minimum spend. Orders are prepared within one business day (excluding weekends and public holidays) and standard delivery is estimated at 2–5 business days after dispatch. Tracking is sent by email after dispatch. These are estimates, not a guaranteed arrival date.

Shipping policy

Free 30-day returns

Unused, unopened items.

Free 30-day returns

You can request a free return of new, unused and unopened items within 30 days of delivery: email us for a prepaid return label before sending anything. Your UK 14-day cancellation rights and statutory rights for faulty items are unaffected.

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Questions before you buy?

Email us, reply within 1 business day.

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Not sure about a shade, size or ingredient? Email remediesbeauty.co.uk@gmail.com with the product name. We aim to reply within one business day.

K18 bottle front view showing label and benefits

K18 Peptide Prep Detox Shampoo — Color-Safe Clarifying Shampoo 16 fl oz with Activated Charcoal & Salicylic Acid

£71.70
 
 
K18 bottle front view showing label and benefits
K18 pump top and label close-up highlighting ingredients
K18 charcoal-infused lather texture showing deep cleansing action
K18 shampoo being applied in hand demonstrating easy use
K18 16 fl oz bottle beside ruler showing actual product size
K18 shampoo with K18 mask illustrating pre-treatment routine
K18 shampoo on bathroom shelf conveying daily-care convenience

K18 Peptide Prep Detox Shampoo — Color-Safe Clarifying Shampoo 16 fl oz with Activated Charcoal & Salicylic Acid

£71.70
  • Product details
  • Delivery & Returns
Product details
Product details
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K18 Peptide Prep™ Detox Shampoo is a color-safe clarifying cleanser that removes dirt, oil, metals and product buildup while preparing hair for the K18 mask.

This shampoo is formulated to deep-clean both hair and scalp without stripping essential moisture, blending activated charcoal and salicylic acid with K18’s patented peptide technology. It’s intended as a weekly or as-needed detox to lift impurities from hard water, tap water minerals and styling residues so treatments and color perform better and feel fresher.

How does this shampoo remove hard-water minerals and product residue?

The formula uses absorbent activated charcoal to capture impurities and salicylic acid to help clear sebum and other residues from the scalp. It’s designed to rinse away metals like copper and accumulated styling product, giving a cleaner base for follow-up treatments.

  • Activated charcoal absorbs oils and particulate buildup.
  • Salicylic acid helps dissolve sebum and loosen residue at the scalp.
  • pH-optimized lather aids in lifting minerals and rinsing them clear.

Will this shampoo strip my color or weaken hair?

This detox is formulated to be color-safe and to limit protein loss through the inclusion of the proprietary K18PEPTIDE. Unlike harsh chelating shampoos, it cleanses without aggressively removing dye or compromising hair structure when used as directed.

  • K18PEPTIDE helps preserve protein and hair integrity during clarifying washes.
  • Color-safe pH balance reduces fading compared with strong chelators.
  • Designed for periodic use rather than daily clarifying to protect color longevity.

How do I use Peptide Prep Detox for best results?

Replace your regular shampoo with this detox treatment once weekly or whenever hair feels weighed down. Massage into scalp and through lengths, rinse thoroughly, and follow with the K18 mask or your regular conditioner for optimized performance.

  • Use 1× weekly or as needed for buildup or hard-water effects.
  • Massage well into scalp to dislodge oils and mineral deposits.
  • Rinse fully and follow with K18 mask or a moisturizing step for best results.

What active ingredients should I expect and what do they do?

The shampoo combines activated charcoal, salicylic acid and the patented K18PEPTIDE to cleanse, clarify and protect. Each component targets a different source of buildup while aiming to maintain moisture balance and hair strength.

  • Activated charcoal: adsorbs surface impurities and environmental particles.
  • Salicylic acid: aids scalp exfoliation and oil removal.
  • K18PEPTIDE: helps reduce protein loss and supports hair resilience.

Who is this for: K18 Peptide Prep™ Detox Shampoo is ideal for anyone dealing with hard-water mineral deposits, visible product buildup, oily roots or dull hair from frequent styling. It’s especially useful for color-treated hair owners who need a clarifying wash that won’t aggressively fade dye or undermine hair strength, and for those prepping hair for the K18 restorative mask or other treatments.

Ingredients

Water (Aqua) (Eau), Sodium C14-16 Olefin Sulfonate, Cocamidopropyl Hydroxysultaine, Salicylic Acid, Charcoal Powder, sh-Oligopeptide-78, Panthenol, Glycerin, Sodium Phytate, Guar Hydroxypropyltrimonium Chloride, Caprylyl Glycol, Caprylhydroxamic Acid, Citric Acid, Potassium Hydroxide, Sodium Hydroxide, Fragrance (Parfum), Benzyl Salicylate, Limonene.

FAQ

Q: How often should I use K18 Peptide Prep Detox Shampoo?

A: Use once weekly or as needed to remove buildup; follow with your regular conditioner or the K18 mask.

Q: Is this safe for color-treated hair?

A: Yes—it's pH-balanced and formulated with K18PEPTIDE to clarify without aggressively stripping color.

Delivery & Returns
Delivery & Returns
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Free UK delivery on every order, with no minimum spend. Standard UK delivery is free on every order, with no minimum spend. Orders are prepared within one business day (excluding weekends and public holidays) and standard delivery is estimated at 2–5 business days after dispatch. Tracking is sent by email after dispatch. These are estimates, not a guaranteed arrival date. Full details: shipping policy.

Free 30-day returns. You can request a free return of new, unused and unopened items within 30 days of delivery: email us for a prepaid return label before sending anything. Your UK 14-day cancellation rights and statutory rights for faulty items are unaffected. See the refund policy.

10% off everything. 10% off everything is applied automatically at checkout. No code needed.

Questions before you buy? Email remediesbeauty.co.uk@gmail.com with the product name. We aim to reply within one business day.

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Remedies Beauty is a UK online beauty shop for nails, K-beauty, skincare, makeup and hair care. Free standard UK delivery on every order and free 30-day returns on unused, unopened items.

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