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  • Damage Shield Shampoo, K18

Damage Shield Shampoo

4.4 216 reviews
Damage Shield Shampoo
A color-safe, pH-optimized shampoo to effectively cleanse while maintaining hair health, preventing ... Learn more
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718931
MHB_Squad24
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Leave-In Repair Mask 5ml
  • Description

    A color-safe, pH-optimized shampoo to effectively cleanse while maintaining hair health, preventing frizz, preserving color, and enhancing shine.

    - This pH-optimized formula helps minimize damage during washing and supports hair health and strength
    - Prevents tangling + frizz, preserves color, enhances shine
    - Microbiome-certified to help maintain scalp health and preserve scalp’s natural microbiome

    This pH-optimized formula helps reduce excess swelling of the hair cuticle during washing to help prevent damage and tangling, reduce frizz, preserve color, and enhance shine. It is formulated with the K18PEPTIDE™ to replenish hair during washing. This shampoo is also scalp-microbiome friendly and gentle enough for every wash.

    Clinical Results:
    Results observed in a consumer test of 35 subjects after 21 days of consistent use of the DAMAGE SHIELD pH protective shampoo:
    - 91% said hair looks healthier
    - 91% said hair feels smoother
    - 91% said hair does not feel weighed down

    -K18PEPTIDE™: replenishes protein lost during washing to fortify hair.
    -Plant-Derived Surfactants: Create a gentle, high-foaming cleanse without leaving buildup behind.

    It is gluten-free and cruelty-free.

    Fragrance Description: This shampoo has a clean citrus scent.

    Read more
  • Directions for use
  • Ingredients
  • Description
  • Directions for use
  • Ingredients

A color-safe, pH-optimized shampoo to effectively cleanse while maintaining hair health, preventing frizz, preserving color, and enhancing shine.

- This pH-optimized formula helps minimize damage during washing and supports hair health and strength
- Prevents tangling + frizz, preserves color, enhances shine
- Microbiome-certified to help maintain scalp health and preserve scalp’s natural microbiome

This pH-optimized formula helps reduce excess swelling of the hair cuticle during washing to help prevent damage and tangling, reduce frizz, preserve color, and enhance shine. It is formulated with the K18PEPTIDE™ to replenish hair during washing. This shampoo is also scalp-microbiome friendly and gentle enough for every wash.

Clinical Results:
Results observed in a consumer test of 35 subjects after 21 days of consistent use of the DAMAGE SHIELD pH protective shampoo:
- 91% said hair looks healthier
- 91% said hair feels smoother
- 91% said hair does not feel weighed down

-K18PEPTIDE™: replenishes protein lost during washing to fortify hair.
-Plant-Derived Surfactants: Create a gentle, high-foaming cleanse without leaving buildup behind.

It is gluten-free and cruelty-free.

Fragrance Description: This shampoo has a clean citrus scent.

Directions for Use:
-Massage into hair, focusing on scalp.
-Thoroughly rinse.
-Repeat as needed.
-For best results follow with the DAMAGE SHIELD protective conditioner (sold separately)

Water (Aqua) (Eau), Sodium C14-16 Olefin Sulfonate, Cocamidopropyl Betaine, Sodium Methyl 2-Sulfolaurate, Sodium Lauryl Sulfoacetate, sh-Oligopeptide-78, Panthenol, Glycerin, Sodium Phytate, Guar Hydroxypropyltrimonium Chloride, Disodium 2-Sulfolaurate, Caprylyl Glycol, Caprylhydroxamic Acid, Benzoic Acid, Citric Acid, Sodium Hydroxide, Fragrance (Parfum), Limonene

Reviews
4.4/5
216 reviews
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Terms and conditions of publication

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4.4/5
216 reviews
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Terms and conditions of publication

bettK

16/01/2025

1/5
User Review without direct purchase

Meh

Meh. I thought it was the winter that was making my wavy hair flat, straight and frizzy but when I stopped using this shampoo it came back to life. Maybe it’s not for my hair type, I won’t be buying again.

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sydneyyy08

13/01/2025

5/5
Verified buyer

Love this product i switch my shampoo almost everytime it runs out and i end up getting this alot

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Recommend this product: Yes

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StefaniG

08/01/2025

1/5
User Review without direct purchase

Worse thing that has happened to my hair!!

I've been using this product for over a month now and my hair has been shedding by the handfuls, I wish I was exaggerating!! It's the only thing I have changed in my hair routine. I've never experienced this before not even with cheap shampoos. Horrible!!!

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suemandy23

08/01/2025

2/5
Verified buyer

Too expensive

Not as good as Olaplex in my opinion. Instead of buying this, buy the K18 hair oil. That stuff is legit!

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ashleenicholle5

06/01/2025

5/5
User Review without direct purchase

A must have for healthy hair!

A lot goes a long way. You do not need a lot of product to wash your hair. My hair is slightly below my shoulders and I use about a nickel size dot (if that). I really like how much this shampoo lathers. I have noticed a big difference is how much nicer my hair has been drying since using this product. All of K-18’s products are great!

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Recommend this product: Yes

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MeredithJW

06/01/2025

2/5
User Review without direct purchase

Wouldn’t use again

I’m so glad I bought the minis to try this line. I purchased this shampoo and the protective conditioner to go with it. I also purchased the leave in conditioner, hair oil, and peptide prep detox shampoo. I used everything as instructed; didn’t use any conditioner before using leave in hair mask, etc. I did not notice anything other than how much static my hair had. I would never use this again or purchase the full size.

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DevMN

02/01/2025

3/5
User Review without direct purchase

Not working for me

I was very excited to try this, especially after using the OG K18 leave in conditioner. Well, it's not for me. I have very fine, thinning hair and I am almost done with my bottle of both the shampoo and conditioner and I don't think it's doing anything. The smell is nice, and it makes my hair feel good, but I still have quite a bit of breakage and I am losing more hair in the shower than I had before switching to this shampoo and conditioner.

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memar22

31/12/2024

1/5
User Review without direct purchase

Bad

This ruined my hair. Try a sample before u purchase. I have fine bleached hair and this gave me so many split ends and dried out my hair. So bad I refuse to try anything else from this line .

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sophiemcmenemy

30/12/2024

1/5
User Review without direct purchase

DO NOT BUY

I’ve been using this for 3 months it’s dried out my hair and I’m loosing the most hair I’ve ever lost. Every time I run my hands through my hair it comes out in clumps DO NOT BUY THIS OR ANY K18 products

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ashlynnse13

27/12/2024

5/5
User Review without direct purchase

Best Product for Frequently Bleached Hair

Amazing amazing amazing. I lighten my hair every 4-6 weeks and have been since 2012, and I have never tried another product that has actually helped my hair maintain its integrity while keeping my hair platinum. Most products have keratin or bonding ingredients that just make my hair worse! I don’t need the extra protein but something to help keep my hair healthy, and this is finally the product!

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Recommend this product: Yes

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kayhans7

26/12/2024

5/5
User Review without direct purchase

loving this

makes my hair feel so healthy and clean after I use it. will buy again.

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Recommend this product: Yes

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teodora

02/11/2024

2/5
User Review without direct purchase

Dried my hair out. Not worth the price at all. Not buying again.

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julianaar

22/10/2024

2/5
User Review without direct purchase

Terrible, made my hair fall

It made my hair fall! When I read reviews about hair falling, I thought it was due to hormonal changes, but this shampoo made my hair fall so much.

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charleston08

20/08/2024

4/5
User Review without direct purchase

Super gentle shampoo that still made my hair feel clean afterwards

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Recommend this product: Yes

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Discover The Brand
K18

K18 offers a unique scientific approach to hair care, based on biotechnology. The products' clinically proven effectiveness is based on K18PEPTIDE™ technology, which repairs damage at the molecular level for all hair types (the result of bleaching, chemicals and heat). Born in hair salons, this technology allows you to express your creativity without fear of damage!

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Damage Shield Shampoo