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shield + smooth routine

Limited-time daily trio for your healthiest hair.
Rated 5.0 out of 5
Based on 7 reviews

Shield hair from daily damage and smooth frizz + flyaways with this limited-time routine. K18 DAMAGE SHIELD pH protective shampoo (formerly pH maintenance shampoo) gently removes dirt + oils, NEW DAMAGE SHIELD protective conditioner helps fend off damage between treatment mask days, and a FREE award-winning mini molecular repair hair oil delivers immediate + long-term frizz control.  

Solo profesional

Acceso / REGISTRO

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In 2022 we stopped147 Metric tons of plastic
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more to know

This protective trio delivers clean, fortified, frizz-free hair between your client's K18 mask days.

Start with our color-safe DAMAGE SHIELD pH protective shampoo to effectively cleanse while maintaining hair health and protecting hair from damage.

Follow with the DAMAGE SHIELD protective conditioner that helps shield hair from UV rays, mechanical styling, and environmental aggressors for up to 3 days* to help maintain hair health. Nourishing, protective formula fortifies, softens, detangles, and improves smoothness + shine.

Finish with the trial-size oil, a strengthening defrizz solution that softens, adds shine, reduces split ends, and provides 450°F (232°C) heat protection*.

*Disclaimers

key benefits

DAMAGE SHIELD pH protective shampoo: Certified microbiome-friendly by MyMicrobiome Standard

  • 91% said hair looks healthier, smoother + does not feel weighed down*

DAMAGE SHIELD protective conditioner: Clinically proven to provide conditioning protection against damage from UV rays, mechanical styling, and environmental aggressors for up to 3 days*

molecular repair hair oil Clinically proven to repair damaged hair*

  • 24-HR frizz control*
  • 104% more shine*
  • 78% reduction in split ends*
  • 450°F (232°C) heat protection*

*Disclaimers

how to use

how to use in the salon

Begin with pH protective shampoo: engineered for higher frequency washing like multi-wash services or clients with less buildup.

  1. Massage into hair, focusing on scalp.
  2. Thoroughly rinse.
  3. Repeat as needed.

Apply protective conditioner: added smoothness, softness + detangling after the K18 PRO molecular repair hair mask.

  1. After shampooing, do not condition yet. Towel-dry thoroughly.
  2. Apply 1-3 pumps of the PRO molecular repair hair mask.
  3. Wait 4 minutes. Do not rinse out.
  4. Apply a small amount of DAMAGE SHIELD protective conditioner from mid-lengths to ends. Build as needed.
  5. Rinse thoroughly.
  6. You do not need to re-apply the PRO molecular repair hair mask.

Finish with the molecular repair hair oil: reduce frizz, enhance shine, and provide heat protection. For reparative benefits from the K18PEPTIDE™, use without conditioner.

  1. Apply 1-3 drops to damp, towel-dried hair before styling or on dry hair as a finisher.
  2. Highly concentrated formula. Start with 1-3 drops and build as needed.

for client use

  1. Massage DAMAGE SHIELD pH protective shampoo into hair, focusing on scalp.
  2. Thoroughly rinse.
  3. Repeat as needed.
  4. Apply a small amount of DAMAGE SHIELD protective conditioner from mid-lengths to ends and build as needed.
  5. Rinse thoroughly.
  6. Apply 1-3 drops of molecular repair hair oil to damp, towel-dried hair before styling or on dry hair as a finisher.
  7. Highly concentrated formula. Start with 1-3 drops and build as needed.

BONUS: Use this protective routine between K18 mask days.

ingredients

DAMAGE SHIELD pH protective shampoo
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, Sodium Chloride, Fragrance (Parfum), Limonene.

DAMAGE SHIELD protective conditioner
Water (Aqua) (Eau), Isopropyl Palmitate, Stearyl Alcohol, Propanediol, Isopentyldiol, Behentrimonium Chloride, Tocopherol, Tocopheryl Acetate, sh-Oligopeptide-78, Alteromonas Ferment Extract, Prunus Amygdalus Dulcis (Sweet Almond) Oil, Simmondsia Chinensis (Jojoba) Seed Oil, Phospholipids, Jojoba Esters, Calcium Gluconate, Hydroxypropyl Guar Hydroxypropyltrimonium Chloride, Ceramide NP, Phytosteryl/Isostearyl/Cetyl/Stearyl/Behenyl Dimer Dilinoleate, Polyquaternium-16, Stearalkonium Chloride, Isopropyl Alcohol, Butylene Glycol, Gluconolactone, Phenoxyethanol, Sodium Benzoate, Citric Acid, Sodium Hydroxide, Fragrance (Parfum), Hydroxycitronellal.

molecular repair hair oil
Caprylyl Caprylate/Caprate, Squalane, Persea Gratissima (Avocado) Oil, Helianthus Annuus (Sunflower) Oil, C13-15 Alkane, Undecane, Benzyl Alcohol, Tridecane, Castor Isostearate Succinate, Propanediol, sh-Oligopeptide-78, Fragrance (Parfum), Tocopherol, Cinnamal, Hexyl Cinnamal, Limonene, Linalool.

pairs well with

máscara de reparación molecular profesional

Rated 4.8 out of 5
Based on 1549 reviews
Parte del servicio de reparación molecular K18 View Mascarilla Reparadora Molecular Profesional 150 mL (AL POR MAYOR) product Acceso / REGISTRO

Champú desintoxicante PEPTIDE PREP™

Rated 4.8 out of 5
Based on 185 reviews
Tamaño de la barra trasera de nuestro champú clarificante que no se pela y no daña el color formulado con K18PEPTIDE™ View Champú desintoxicante PEPTIDE PREP™ 32oz product Acceso / REGISTRO

Descripción

Shield hair from daily damage and smooth frizz + flyaways with this limited-time routine. K18 DAMAGE SHIELD pH protective shampoo (formerly pH maintenance shampoo) gently removes dirt + oils, NEW DAMAGE SHIELD protective conditioner helps fend off damage between treatment mask days, and a FREE award-winning mini molecular repair hair oil delivers immediate + long-term frizz control.  

got questions?

Get started here

What is DAMAGE SHIELD?

DAMAGE SHIELD is our newest innovative category that takes the guesswork out of your K18 routine. Developed to offer protection from damage between treatment mask days, plus extra softening and protection after salon services. This category includes the DAMAGE SHIELD protective conditioner + the renamed pH protective shampoo (previously pH maintenance shampoo).

Is the formula of the DAMAGE SHIELD pH protective shampoo different from the PEPTIDE PREP™ pH maintenance shampoo?

No, the formula of the DAMAGE SHIELD pH protective shampoo is not different from the PEPTIDE PREP™ pH maintenance shampoo. Just the name has changed, the formulation you know and love is the same.

Can the K18 conditioner repair damage like the mask does?

No, the conditioner does not repair damage like the mask does. This nourishing, protective conditioner shields against 3 types of damage (daily mechanical, UV, and environmental) for up to 3 days*— to help maintain hair health and improve smoothness and shine. Both formulas include the K18PEPTIDE™ with different benefits.

The mask has a higher concentration of the peptide to reverse damage. In the conditioner, the K18PEPTIDE™ replenishes protein lost during washing, while the cuticle is still swollen, to fortify hair health and strength. To get damage repair benefits from the K18PEPTIDE™, use the K18 mask first, wait 4 minutes, then apply the K18 conditioner.

*k18hairpro.com/disclaimers

Can I mix the K18 conditioner with the oil?

For best results, we do not recommend mixing the K18 conditioner with the oil. Use the K18 molecular repair hair oil after the K18 conditioner.

Does the molecular repair hair oil still repair if used after K18 conditioner?

For maximum damage repair benefits from the molecular repair hair oil, we recommend using it without conditioner.

how K18 works

Traveling into the innermost layers of hair, our K18PEPTIDE™ renews strength along the width AND length of hair for lasting strength where it matters.

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reseñas

average rating 5.0 out of 5
Based on 7 reviews
  • 5 Stars
    7 Reviews
  • 4 Stars
    0 Reviews
  • 3 Stars
    0 Reviews
  • 2 Stars
    0 Reviews
  • 1 Star
    0 Reviews
100% of reviewers would recommend this product to a friend
7 Reviews
Reviewed by Ashtan H.
Verified Buyer
I recommend this product
Age
25 - 34
Client Hair Concerns
  • Chemical Damage
  • Dryness
  • Frizz
  • Fragile/Brittle Hair
  • Color Care
Client Hair Types
  • Straight/Wavy
  • Fine/Thin
  • Medium Density
  • Grey Hair
  • Curly/Coily
Client Results
  • Shinier Hair
  • Smoother Hair
  • Less Breakage
  • Less Frizz
  • Defined Curl/Wave Pattern
Rated 5 out of 5
Review posted

Love it!

Both have amazing consistency’s!

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K18Hair PRO

Thank you Ashtan for your review!

Reviewed by Kelly W.
Verified Buyer
I recommend this product
Age
45 - 54
Client Hair Concerns
  • Heat Damage
  • Split Ends
  • Dryness
  • Oily hair/scalp
  • Fragile/Brittle Hair
Client Hair Types
  • Thick/Coarse
  • Medium Density
  • Curly/Coily
  • Grey Hair
  • Straight/Wavy
Client Results
  • Stronger hair
  • Bouncy Hair
  • Soft Touchable Hair
  • Shinier Hair
  • Smoother Hair
Rated 5 out of 5
Review posted

Shield & Smooth set

I think this maintenance set is amazing: it leaves the hair silky smooth!! Love the creamy conditioner.

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K18Hair PRO

Thank you Kelly for your review!

Reviewed by Meghan B.
Verified Buyer
I recommend this product
Age
35 - 44
Client Hair Concerns
  • Chemical Damage
  • Heat Damage
  • Color Care
  • Frizz
  • Split Ends
Client Hair Types
  • Medium Density
Client Results
  • Stronger hair
  • Less Breakage
  • Soft Touchable Hair
  • Shinier Hair
  • Visible Difference
Rated 5 out of 5
Review posted

Awesome

I am a hairstylist and decided to try the k18 system and I can tell such a difference in my hair. I have since become certified and brought in the entire system to salon for my clients.

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K18Hair PRO

Thank you Meghan for your trust not only with your hair but your clients hair as well!

Reviewed by Sherry C.
Verified Buyer
I recommend this product
Age
55 - 64
Client Hair Concerns
  • Chemical Damage
  • Heat Damage
  • Color Care
  • Fragile/Brittle Hair
  • Dryness
Client Hair Types
  • Fine/Thin
Client Results
  • Bouncy Hair
  • Stronger hair
  • Visible Difference
  • Less Breakage
  • Shinier Hair
Rated 5 out of 5
Review posted

Better than all the rest

K18 is far superior to anything I have ever used.

It leaves the hair amazingly soft and bouncy. Definitely stronger hair.

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K18Hair PRO

Thank you Sherry for your review!

Reviewed by Meagan D.
Verified Buyer
I recommend this product
Age
25 - 34
Rated 5 out of 5
Review posted

Great products!

Makes the hair feel amazing!

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K18Hair PRO

Thank you Meagan for your review!

recommended products

Champú desintoxicante PEPTIDE PREP™
Rated 4.8 out of 5
Based on 185 reviews
Tamaño de la barra trasera de nuestro champú clarificante que no se pela y no daña el color formulado con K18PEPTIDE™
View Mascarilla Reparadora Molecular Profesional 150 mL (AL POR MAYOR) product
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