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DAMAGE SHIELD pH Protective Shampoo

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Out of Stock
$31.20 $39.00
What it is: A color-safe, pH-optimized shampoo to effectively cleanse while maintaining hair health, preventing frizz, preserving color, and enhancing
Size
8.5 oz
8.5 oz
16 oz/473 mL
16 oz/473 mL
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Estimated delivery Oct 18–Oct 23
Free Shipping On all orders
100% Authentic Sephora Verified
Great Value Save more with VIP discounts

K18 Biomimetic Hairscience

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

Hair Texture: Straight, Wavy, Curly, and Coily

Hair Type: Fine, Medium, and Thick

Hair Concerns:
- Color Safe
- Damage, Split Ends, and Breakage
- Frizz

Key Benefits:
- 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

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

Ingredient Callouts: It is gluten-free and cruelty-free.

What Else You Need to Know: 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.

Fragrance Description: This shampoo has a clean citrus scent.

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

Clean at Sephora is our commitment to offering effective products without certain ingredients, such as parabens, sulfates, phthalates, and mineral oils. Learn more here.

This product is an Allure Best of Beauty award winner.

1w ago
STAY AWAY
Absolutely awful shampoo. I jumped the gun and got too excited after using it once and believing I liked the results, but nope. It’s horrible after consistently using it. I hate everything about it. It made my hair fall out much more than what I usually lose during hair washing. Thankfully I have very long hair, and lots of it, but this shampoo made my hair feel brittle, flat, dry, and it leaves a nasty, waxy-like, thick coating all over the hair. Would never recommend. I washed my hair with it one day (after buying another shampoo and just leaving the k18 in my bathroom stock because I purchased such a large bottle) because I was in a pinch and just had just worked out, and I had a salon appt. the next day, and when my hair stylists touched my hair she even commented on the awful texture, waxiness, and tangles that are not typical for my normal hair. For the price, this product is a joke.
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nadiatag
Verified Purchase
2w ago
Must have in my hair routine
I love this shampoo. I have bought it many times. It leaves hair and scalp feeling clean. It does not weigh down my fine thin hair and provides volume.
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pcatstone
2w ago
The best product for bleached hair!
I have color treated hair and i love how soft and strong my hair gets everytime i use this shampoo ! I really love it!
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Novacek
Verified Purchase
1mo ago
I liked it at first! Then it started to make my hair feel a little stiff.
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scorpi
1mo ago
Love the product, hate the packaging
The bottle cap it too hard to get open. You have to press so hard to get it open that the bottle itself gives a little. It's a PITA. For that reason I will have to think about whether or not this will be a repeat purchase, especially because it's pretty expensive for bad packaging to be a problem.
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bdenk
1mo ago
Makes hair look shiny however introduces a dry scalp and hair shedding. Hair gets greasy fast, next day after washing.
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TeeTam
1mo ago
can’t go without it.
Been using this shampoo for about a year and have noticed my hair become so shiny & my frizz is eliminated. I tend to wash my hair everyday because of my intense work out routine & this never dries or irritates my scalp. Whenever I switch samples, I notice the difference in my hair and go back to k18z
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review photo
tg123
Verified Purchase
2mos ago
AMAZING Product…HORRIBLE packaging care!
I absolutely love this shampoo! It’s the best and it’s not cheap! Very saddened that this pricy shampoo has such an unthoughtful package care! I lost about a week of product due to horrible packaging! I know you are better, Sephora!
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review photo review photo
Teach28
Verified Purchase
2mos ago
not as good as the conditioner
wanted to love this because I'm obsessed with the K18 leave in heat protectant, but it's not for me. my scalp never feels clean after use. also it kinda smells like BO. the conditioner is nice tho
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kttyktn
Verified Purchase
2mos ago
I have used this as directed for half the bottle and I truly see no difference. Not worth the price for me since I have thick and long hair, never been colored.
Read more
justnessaisfine

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

Hair Texture: Straight, Wavy, Curly, and Coily

Hair Type: Fine, Medium, and Thick

Hair Concerns:
- Color Safe
- Damage, Split Ends, and Breakage
- Frizz

Key Benefits:
- 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

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

Ingredient Callouts: It is gluten-free and cruelty-free.

What Else You Need to Know: 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.

Fragrance Description: This shampoo has a clean citrus scent.

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

Clean at Sephora is our commitment to offering effective products without certain ingredients, such as parabens, sulfates, phthalates, and mineral oils. Learn more here.

This product is an Allure Best of Beauty award winner.

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

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.

The list of ingredients is subject to change, please consult the packaging of the product purchased.
Suggested Usage:
-Massage into hair, focusing on scalp.
-Thoroughly rinse.
-Repeat as needed.
-For best results follow with the DAMAGE SHIELD protective conditioner (sold separately).
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