k18 peptide prep ph maintenance shampoo, 8.5 fl. oz. Front-facing white 8.5 fl. oz. plastic bottle with K18 logo and blue trim, label reading "PEPTIDE PREP pH maintenance shampoo 250 ml / 8.5 fl oz liq." Label notes restorative peptides, pH-optimized formula, color-safe and repair-for-damaged-hair benefits; often used to support smoother, stronger hair when paired with leave-in peptide treatments.
K18 Peptide Prep PH Maintenance Shampoo, 8.5 fl. oz.
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K18 Peptide Prep PH Maintenance Shampoo, 8.5 fl. oz.

|6 ratings

Highlights

  • Repairs hair damage
  • Color-safe shampoo
  • PH-optimized for healthy hair

Specifications

  • 1 - 8.5 fl. oz. K18 Peptide Prep PH Maintenance Shampoo
Current price is Now $20.23
was $26.98
$3.17/fl oz
25% off
Limit 3.Ends Nov 01
Prices may vary in club and online
How do you want your item?

Shipping

Free for Plus on eligible orders over $50
Columbus, 43215
Arrives by Sun, Nov 1
Return or replace anytime.
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About this item

Product details

K18 PH Shampoo deeply cleanses hair. Formulated with restorative peptides, it leaves hair healthy, smooth and strong. Color-safe and adds shine.

Repairs Hair Damage

Infused with restorative peptides, our shampoo works diligently to repair and rejuvenate damaged hair, leaving it looking and feeling revitalized.

Color-Safe Formula

Preserve your vibrant hair color with our color-safe shampoo. Enjoy the benefits of nourished and brilliantly colored locks.

PH-Optimized for Healthy Hair

Our formula is carefully pH-optimized, ensuring that your hair maintains its health and vitality with every wash.

Disclaimer: Sam’s Club is committed to offering quality products and services at an exceptional value. To serve this goal, these products were not purchased directly from the manufacturer or its authorized distributor but from a third-party dealer with strict controls to verify authenticity and quality. Some manufacturers limit or exclude their warranties on these products. However, these items remain fully covered by Sam’s Club’s 100% Merchandise Satisfaction Guarantee. If you are not satisfied with your purchase for any reason, return your item and we'll replace it or provide a refund.

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Key specifications

Specifications

  • 1 - 8.5 fl. oz. K18 Peptide Prep PH Maintenance Shampoo

Member ratings & reviews

3.7 out of 5 stars
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6 ratings4 reviews
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  1. 5 stars50% (3)
  2. 4 stars17% (1)
  3. 3 stars0% (0)
  4. 2 stars17% (1)
  5. 1 star17% (1)
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Showing 1-3 of 4 reviews

Jul 22, 2024
Reviewer name: Mizzouann
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Best EVER

Best shampoo ever! I didn’t think a shampoo would compliment the leave in treatment, but this shampoo is THE ONE

Helpful?3062Q72M27S313620310550
Nov 24, 2025
Reviewer name: Ru
5 out of 5 stars
5 out of 5 stars review

Great deal

Gentle on fine dry hair

Helpful?3062Q72M27S313620310550
Apr 14, 2025
Reviewer name: Beej
2 out of 5 stars
2 out of 5 stars review

Not what I was hoping for

Makes my hair feel like straw while wet and hard to brush/comb out. Not sure what to think with all the other great reviews. By next day my hair looks like it needs washing again.will not order again.

Helpful?3062Q72M27S313620310550
Current price is Now $20.23
was $26.98
$3.17/fl oz
25% off
Limit 3.Ends Nov 01
Prices may vary in club and online
How do you want your item?

Shipping

Free for Plus on eligible orders over $50
Columbus, 43215
Arrives by Sun, Nov 1
Return or replace anytime.

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