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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
321 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 321 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
321 reviews
  • 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
    3 minutes ago
    Better hair in a few washes

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

  • Julie C.
    Verified Buyer
    Reviewing
    mini DAMAGE SHIELD protective shampoo 53 mL
    I recommend this product
    Rated 5 out of 5 stars
    3 days 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
    2 days 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
    3 days ago
    Great shampoo

    Hair feels amazing

    KU Profile picture for K18Hair UK
    K18Hair UK
    3 days ago

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

  • Stefanie R.
    Verified Buyer
    Reviewing
    Jumbo DAMAGE SHIELD protective shampoo
    I recommend this product
    Age 35 - 44
    Hair Concern Chemical damage, Heat damage, Color-care, Dryness, Split-Ends
    Hair Type Medium Density
    My Results Less Frizz, Visible Difference, Less Breakage, Stronger Hair, Soft Touchable Hair
    Rated 5 out of 5 stars
    4 days ago
    Best shampoo

    I am a blonde girl ever since using K shampoo my hair has welcome, moisture and less split ends I can’t live without this

    KU Profile picture for K18Hair UK
    K18Hair UK
    4 days ago

    Thank you so much for the 5-star love, Stefanie! 💕 We're thrilled that Jumbo DAMAGE SHIELD is giving your blonde hair the moisture and care it deserves! ✨

  • Michelle M.
    Verified Buyer
    Reviewing
    Jumbo DAMAGE SHIELD protective shampoo
    I recommend this product
    Age 55 - 64
    Hair Concern Heat damage, Frizz, Fragile/brittle hair, Dryness
    Hair Type Fine/Thin
    My Results Less Frizz, Visible Difference, Stronger Hair, Less Breakage, Smoother Hair
    Rated 5 out of 5 stars
    6 days ago
    Brought My Hair Back to Life!

    After many years of bleaching, my hair had become so dry & damaged that nothing I tried seemed to help until I found the K18 Damage Shield Shampoo & Conditioner. Now my hair is soft, shiny & is growing! I can't recommend K18 enough!

    KU Profile picture for K18Hair UK
    K18Hair UK
    6 days ago

    Thank you so much for the amazing 5-star review, Michelle! 💕 We're thrilled Damage Shield has brought your hair back to life! ✨

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