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$2.99
  • Repairs Damage
  • Adds Strength
  • Silky Smooth
  • Quick Results

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Sarah K.
Sarah K.
Los Angeles

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Sarah K.
Sarah K.
Los Angeles

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Sarah K.
Sarah K.
Los Angeles

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Sarah K.
Sarah K.
Los Angeles

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4 New Reviews

Reverse hair damage in just 4 minutes with this revolutionary leave-in treatment. Our patented peptide technology works on a molecular level to restore strength, softness, and bounce for hair that feels like new.

  • Clinically reverses hair damage in 4 minutes.
  • Renews strength, softness, and smoothness.
  • Patented molecular repair technology.
  • Effective and safe for all hair types.

Question 1: What are the application instructions for this hair mask?
Answer 1: For best results, shampoo your hair but do not use conditioner. Towel-dry your hair thoroughly, then apply the mask starting with one pump and adding more as needed. Let it sit for 4 minutes to activate before styling. This is a leave-in treatment, so do not rinse it out.

Question 2: Is this product suitable for my hair type?
Answer 2: Yes, this mask is designed for all hair types and is unisex. It is particularly effective for repairing damage from bleach, color treatments, chemical services, and heat. It is also color-safe.

Question 3: How often should I use this treatment?
Answer 3: To see the best results, use the treatment for the first 4-6 consecutive washes. After this initial period, you can switch to using it every 3-4 washes as needed to maintain your hair's health and strength.

We offer Free Express Shipping on all orders! Please allow 1-2 Business Days for us to process and ship your order. Estimated Arrival Time: 7-12 business days.
Shipping Protection

Shipping Protection

$2.99
$2.99
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Free & Fast Shipping
Satisfaction Guaranteed
Easy Returns
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Free & Fast Shipping
Satisfaction Guaranteed
Easy Returns
Secure Checkout
Free & Fast Shipping
Satisfaction Guaranteed
Easy Returns
Secure Checkout
Free & Fast Shipping
Satisfaction Guaranteed
Easy Returns
Secure Checkout
Free & Fast Shipping
Satisfaction Guaranteed
Easy Returns
Secure Checkout

Reverse hair damage in just minutes.

Stop masking damage and start healing it. This leave-in treatment works on a molecular level to restore strength and softness for hair that feels like new.

  • Visibly reverse years of hair damage.
  • Restore core strength for less breakage.
  • Enjoy silky softness and renewed bounce.

As seen on

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Reverse hair damage in minutes

Tired of damage from bleach, color, and heat? This powerful formula reverses damage for like-new hair.

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  • Reverses chemical and heat damage

  • Restores strength and softness

  • Results in just 4 minutes

  • Smoother, bouncier, healthier hair

Real People, Real Hair Transformations

Delivering quality and consistency that customers rely on.

K18 Leave-In Molecular Repair Hair Mask Deep Conditioning Keratin Treatment Soften Hair Smoothing Healthy Hair Care 50ml 150ml
92%

Felt Stronger, Healthier Hair

Felt hair was repaired from chemical and heat damage in just minutes.

87%

Achieved Unbelievable Softness

Hair became incredibly soft, smooth, and much easier to manage after one use.

94%

Experienced Lasting Results

They saw lasting improvements in their hair's overall health, strength, and elasticity.

Benefits You'll Love

Worldwide Shipping

24/7 Support

Verified quality only

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The Difference is Clear

Our patented peptide technology travels deep into the hair's core to reconnect broken keratin chains, reversing damage in just 4 minutes. Unlike surface-level treatments, our formula delivers lasting strength, softness, and bounce.

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K18 PRIME
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Molecular Repair
Patented Peptide
4-Minute Results
Lasting Results
Clinically Proven
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Join over 10,000+ Happy Customers

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Sarah Michell's

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Emily A.

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Will I.

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Experience Hair Transformation in Just Minutes

  • First Benefit

    Molecular Repair

    Heals damage from bleach, color, and heat.

  • Second Benefit

    4-Minute Miracle

    Restore your hair's health in minutes.

  • Third Benefit

    Lasting Softness

    Restores strength, smoothness, and natural bounce.

Frequently Asked Questions

Find quick answers to the most common questions about our product.

Unlike conditioners that coat the hair's surface, our molecular repair mask penetrates deep into the hair's core. It works from the inside out to rebuild broken bonds, restoring strength, softness, and bounce for results that actually last.

Absolutely! It’s specifically designed to repair damage from chemical services and heat. It helps restore your hair's health and integrity, making your color appear more vibrant and your strands feel significantly stronger and smoother after just one use.

For maximum repair, use it for the first 4-6 consecutive washes. After that, you can switch to maintenance mode and apply every 3-4 washes to keep your hair feeling strong, smooth, and healthy. A little goes a long way!

Not at all! Our lightweight formula is engineered to absorb quickly without leaving any residue. It strengthens from within, so you get all the smoothing and softening benefits without sacrificing your hair's natural volume. Your hair will feel healthy, not heavy.

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