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4 Medium Brown - Keratin Fusion

Quality: Keratin Fusion Extensions made with 100% Remy hair and Italian keratin bonds. Seamless color, natural feel, and long lasting wear with no glue needed  About our Keratin: Our special...
SELECT : 14"
Orders placed by 3:00 PM Eastern Time, Monday through Friday, will ship the same business day. Orders received after 3:00 PM ET or during office closures will ship the next business day.

Award-Winning Dura-Tip Bond
Built for strength, flexibility, and long-term hold.

Made with 100% Italian Keratin
No fillers, just durable, high-quality bonds.

Strand-by-Strand Customization
Apply exactly where needed to build volume, shape, or fill.

Flexible 360° Movement
Bonds move naturally with the hair for a comfortable, tension-free feel.

Long-Term Wear
Lasts up to 4 to 6 months with proper care and client maintenance.

Hair Type: 100% Remy Human Hair

Texture: Straight

Bond or Seal Type: 100% Italian Keratin

Pieces per Pack: 25 strands

Application Time: Up to 4 hours

Full Head Application: 6 to 8 packs

Reusability: Not reusable

Customizations: Bonds can be trimmed or sectioned for detailed application

Specifications & Weight:

  • 14” - 25 strands per pack - 15g per pack
  • 18” - 25 strands per pack - 20g per pack
  • 22” - 25 strands per pack - 22.5g per pack
  • 24” - 25 strands per pack - 25g per pack

How Much Hair Do You Need?

  • We recommend roughly 100-150g (6-8 packs) of hair for a full head application.
  • Depending on what you're trying to achieve (hybrid application, length, volume) you'll need to adjust the quantity.
  • 6 packs = 90g of 14" hair 
  • 6 packs = 120g of 18" hair
  • 6 packs = 135g of 22" hair 
  • 6 packs = 150g of 24" hair

Best For:

  • Long-term wear clients seeking seamless results
  • Clients who prefer a strand-by-strand method without visible wefts
  • Clients who workout, sweat often and wear their hair up
  • Clients with any density of hair and any length
  • Clients who want less salon visits

Application & Blending Tips:
Trim bonds for more detailed work around face or crown

Maintenance Tips:
Avoid applying oils, dry shampoo, or product near the bonds
Blow dry gently and avoid direct heat on bonds
Use moisturizing products mid-shaft to ends only
Brush from ends up; tie hair back when sleeping

Ver todos los detalles

100% Ethically sourced,

Human Remy Hair

Cuticle intact,

from root to tip

2-step proprietary
process

Silicone-Free,

No Harsh Chemicals

Product Infographic Product Infographic
average rating 5.0 out of 5
Based on 4 reviews
  • 5 Stars
    4 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
Review posted
Reviewed by Dominique B., from United States
Verified Buyer
Client's Hair Density
Medium
Number of packs/bundles used
4
Special Client conditions
thinning
length of Client's hair
long
What I achieved
  • volume/fullness
Rated 5 out of 5

full hair

Great products, quality and customer service

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Review posted
Reviewed by Jessica C., from United States
Verified Buyer
Client's Hair Density
Medium
Number of packs/bundles used:
6+
Special Client conditions
breakage
length of Client's hair
shoulder length
What I achieved
  • volume/fullness
  • length
  • highlights
Rated 5 out of 5

Only Aqua for my clients

As loyal aqua stylist and ambassador I’ve only used Aqua for the last 7 years I’ve n my extension clients because of the quality, price point and customer service . Used a combination of 4 and 613 to give this bleach victim a more natural look

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Review posted
Reviewed by Jay S., from United States
Verified Buyer
Client's Hair Density
Medium
Number of packs/bundles used:
5
Special Client conditions
breakage
length of Client's hair
shoulder length
What I achieved
  • volume/fullness
  • length
  • highlights
Rated 5 out of 5

Amazing quality

Love it super thick and the color so rich

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Review posted
Reviewed by Haley C., from United States
Verified Buyer
Client's Hair Density
Fine
Number of packs/bundles used:
5
Special Client conditions
breakage
length of Client's hair
shoulder length
What I achieved
  • volume/fullness
Rated 5 out of 5

Best hair!

My clients absolutely loves her new hair.

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FAQ

Our Keratin Fusion Gun is designed for keratin bonds. AQUA bonds melt cleanly and securely when applied properly at 200 degrees celsius.
Around 1.5 to 4 hours, depending on the amount of hair and density.
They're best for clients with healthy hair and those looking for low-maintenance, long-wear extensions.
Kerati fusion last 4-6 months without needing move-ups, making them great for long-term wear. They are a one time use, so new hair will need reapplied each time.
Yes, especially in hybrid installs. Use keratin s in fine areas where tape or wefts aren’t ideal.