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DAMAGE SHIELD protective shampoo 251 mL
Regular price £39
Regular price £0 Sale price £39
A bottle of DAMAGE SHIELD protective shampoo by K18, with a white and blue label, indicating the size of 8.5 fl oz.
DAMAGE SHIELD protective shampoo 251 mL
K18 healthy hair routines- treatment day routine: to repair damage daily routine: to protect against daily damage
new name same formula pH maintenance shampoo formula
cleanse for frequent everyday washing
protect against dullness, frizz + tangling
DAMAGE SHIELD protective conditioner 8.5oz
Mini versus full size product comparison
K18 routine guide
4.9
Rated 4.9 out of 5 stars
323 Reviews

DAMAGE SHIELD pH protective shampoo

Size:
251 mL
Regular price £39
Regular price £0 Sale price £39
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Color:
251 mL

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A bottle of DAMAGE SHIELD protective shampoo by K18, with a white and blue label, indicating the size of 8.5 fl oz.

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description

A color-safe, pH-optimized shampoo with the patented K18PEPTIDE™ to effectively cleanse while maintaining hair health and protecting hair from damage. pH-optimized formula helps reduce excess swelling of the hair cuticle during washing to help prevent frizz, preserve color, and enhance shine. Scalp microbiome-friendly and gentle enough to use every time you cleanse.

    • How to use
    • More to know
    • Key benefits
    • Ingredients
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A bottle of DAMAGE SHIELD protective shampoo by K18, with a white and blue label, indicating the size of 8.5 fl oz.
DAMAGE SHIELD protective shampoo 251 mL
K18 healthy hair routines- treatment day routine: to repair damage daily routine: to protect against daily damage
new name same formula pH maintenance shampoo formula
cleanse for frequent everyday washing
protect against dullness, frizz + tangling
DAMAGE SHIELD protective conditioner 8.5oz
Mini versus full size product comparison
K18 routine guide
your protective shampoo questions, answered
Is the formula of the DAMAGE SHIELD pH protective shampoo different from the PEPTIDE PREP™ pH maintenance shampoo?
What makes the DAMAGE SHIELD pH protective shampoo special?
When do I use the DAMAGE SHIELD pH protective shampoo?
Why do I need both shampoos?
clinically proven cleanse
91%
said hair looks healthier*
91%
said hair doesn’t feel weighed down*
how to use
feel what's possible with K18
4.9
Rated 4.9 out of 5 stars
Based on 323 reviews
98%would recommend these products
Reviews Summary
Customers say this shampoo leaves hair feeling soft, clean, and manageable without weighing it down. Many users with damaged, bleached, or color-treated hair report noticeable improvements in strength and reduced breakage after regular use. Customers with curly hair appreciate how it reduces frizz and enhances curl definition. The pleasant fragrance is frequently mentioned, with many noting that a little product goes a long way. Users consistently praise how it doesn't strip color from treated hair while providing thorough cleansing. Most customers report seeing visible improvements within the first few weeks of use, with hair appearing shinier and healthier overall.
Customers Talked About
323 reviews
  • Christina M.
    Verified Buyer
    Reviewing
    DAMAGE SHIELD protective shampoo 251 mL
    I recommend this product
    Age 55 - 64
    Hair Concern Heat damage, Color-care, Split-Ends, Extending time between washes
    Hair Type Fine/Thin
    My Results Bouncy Hair, Less Frizz, Stronger Hair, Less Breakage
    Rated 5 out of 5 stars
    1 hour ago
    Love this shampoo

    Has helped give my hair more body and feel healthier.

    KU Profile picture for K18Hair UK
    K18Hair UK
    7 minutes ago

    Thank you so much for your amazing review, Christina! 💙 We're thrilled to hear that DAMAGE SHIELD is giving your hair more body and helping it feel healthier. We appreciate your support!

  • Judith G.
    Verified Buyer
    Reviewing
    Jumbo DAMAGE SHIELD protective shampoo
    I recommend this product
    Rated 5 out of 5 stars
    Yesterday
    Really great product

    I have tried so many others K18 is the best

    KU Profile picture for K18Hair UK
    K18Hair UK
    Yesterday

    Thank you so much, Judith! 💗 We're thrilled to hear that our Jumbo Damage Shield Shampoo is your favorite in the K18 lineup. We appreciate your support! ✨

  • Alyssa D.
    Verified Buyer
    Reviewing
    Jumbo DAMAGE SHIELD protective shampoo
    I recommend this product
    Age 25 - 34
    Hair Concern Dryness, Color-care, Split-Ends, Extending time between washes, Oily hair/scalp
    Hair Type Medium Density
    My Results Less Frizz, Less Breakage, Stronger Hair, Cleaner, fresher hair, Visible Difference
    Rated 5 out of 5 stars
    6 days ago
    Better hair in a few washes

    Love this product! My hair already feels softer and healthier after 2-3 washes

    KU Profile picture for K18Hair UK
    K18Hair UK
    6 days ago

    Thank you so much for the amazing review, Alyssa! 💙 We're thrilled to hear that Jumbo DAMAGE SHIELD is already making a difference for your hair! ✨

  • Julie C.
    Verified Buyer
    Reviewing
    mini DAMAGE SHIELD protective shampoo 53 mL
    I recommend this product
    Rated 5 out of 5 stars
    1 week ago
    Damage protection shampoo

    Absolutely brilliant shampoo and a little goes a long way and lasts for 3 washes ,I bleach my hair every 6 weeks its the best shampoo I've used .

    KU Profile picture for K18Hair UK
    K18Hair UK
    1 week ago

    Thank you so much, Julie! 💗 We're thrilled to hear that our mini Damage Shield is working brilliantly for your bleached hair. We love that a little goes a long way! ✨

  • Kirsty R.
    Verified Buyer
    Reviewing
    Jumbo DAMAGE SHIELD protective shampoo
    I recommend this product
    Rated 5 out of 5 stars
    1 week ago
    Great shampoo

    Hair feels amazing

    KU Profile picture for K18Hair UK
    K18Hair UK
    1 week ago

    Thank you so much, Kirsty! 💗 We're thrilled to hear that our Jumbo Damage Shield Shampoo is making your hair feel amazing! ✨

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