Injected PU Construction
Hair is inserted directly into the PU surface rather than attached along the edge of a conventional Tape-In tab, creating the defining Invisible or Injected Tape-In construction.
Epoche Hair · Since 2004
Invisible Tape-In Hair Extensions
Invisible Tape-In Hair Extensions use hair inserted directly into a refined PU tab to create a discreet root-like appearance without a conventional exposed top edge. Injection spacing, hair direction, tab dimensions, adhesive specifications, colors, and private label packaging can be customized.
Hair Quality
Virgin Hair / Remy Hair
Length
12–30 inches
Weight
Customizable
Textures
Straight, Body Wave, Natural Wave +
Factory Direct · OEM / ODM · Private Label · Global Supply
Product Advantages
Designed Around Every Detail
Product Construction Detail 06
Discreet Root-Like Appearance
The injected hair surface creates a refined root appearance and can make the attachment edge less noticeable when correctly positioned beneath sufficient natural-hair coverage.
Controlled Injection Spacing and Direction
Injection depth, spacing, hair direction, root distribution, and hair retention are controlled according to approved samples for consistent appearance and workmanship.
Smooth, Refined PU Surface
Repeated combing, controlled hair alignment, PU application, and surface finishing help reduce trapped air and support a smooth, flat attachment surface with clean edges.
Matched Adhesive and Edge Finishing
Adhesive coverage, PU flatness, tab dimensions, tape alignment, and precise cutting are coordinated to support even contact, stable edges, and consistent finished shapes.
OEM, ODM, and Private Label Development
Hair quality, lengths, textures, colors, long-hair ratios, injected PU specifications, injection patterns, piece weights, adhesive requirements, labels, and packaging can be developed through sample confirmation.
Product Specifications
Available Configurations
Hair Quality
Virgin Hair
Remy Hair
Length Range
12–30 inches
Available in 2-inch increments. Final availability depends on hair quality, color, texture, piece weight, injected PU specifications, and confirmed sample requirements.
Weight Options
Customizable
Hair weight per piece and total pack weight can be customized according to hair length, injected PU tab dimensions, hair distribution, long-hair ratio, piece count, and packaging requirements.
Texture Selection
Straight
Body Wave
Natural Wave
Water Wave
Available Colors
#4
#60
#613
#P18-60
#P2-6
See Color Development & Matching below for the representative palette and custom matching options.
Long-Hair Ratio
18%, 24%, 28%, 30%, 35%, 40%, 45%
Single-drawn and double-drawn configurations are available. Final long-hair ratio depends on hair length, hair quality, color, piece weight, injected PU specifications, and confirmed sample requirements.
Installation Method View professional installation guidance
Installed professionally using a sandwich method. A fine section of natural hair is placed between the adhesive side of the injected PU tab and a compatible companion tape tab, then pressed securely with approved tools. The injected hair surface should face outward beneath sufficient natural-hair coverage. No heat is required. Maintenance, removal, and reapplication should follow the approved tape system.
Color Options
Color Development & Matching
Representative color options include #4, #60, #613, #P18-60, and #P2-6. Solid, piano, highlighted, rooted, ombré, balayage, and custom-matched colors are available. Final colors are confirmed through sample approval. See the Epoche Hair Extension Color Ring for additional representative color options.
#4
#60
#613
#P18-60
#P2-6
Product Overview
Product Construction & Key Details
Invisible Tape-In Hair Extensions use hair injected directly into the PU surface to create a discreet, root-like appearance. Buyers also know this construction as Injected Tape-In Hair Extensions. The strands appear to emerge from the tab itself, helping reduce the visibility of the attachment edge beneath natural hair.
Epoche develops the injected surface, PU profile, and adhesive specifications together. This approach supports brands that want a refined root appearance alongside consistent hair quality and professional tape installation.
Injected PU Construction and Surface Quality
The injected PU tab defines Invisible Tape-In Hair Extensions. We control injection depth, injection spacing, hair direction, and root distribution against the approved sample. In addition, PU thickness, softness, flatness, and tab dimensions contribute to the finished attachment profile.
During production, repeated combing and preparation help minimize trapped air. Controlled PU application and cutting also help reduce bubbles, uneven surfaces, and rough edges. We check the injected surface and edge finishing together because both affect the visible result.
Root Appearance, Coverage and Color Matching
The injected construction helps soften the visible transition between the tab and the hair. However, the finished appearance also depends on color matching, hair direction, placement, and sufficient natural-hair coverage. Professionals should assess these factors together when planning the application.
Color development includes solid, piano, highlighted, ombré, balayage, and custom-matched shades. Buyers can also customize the tab color. Explore the Hair Extension Color Ring, then confirm the hair and tab colors through sample review.
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Professional Invisible Tape-In Installation and Care
A trained professional sandwiches a section of natural hair between compatible adhesive panels near the roots. This method requires no heat. During fitting, the installer checks section size, alignment, adhesive contact, and tension. They also position the injected side for the intended placement and coverage.
Maintenance, repositioning, and removal require professional handling under the supplied tape system instructions. Before reapplication, professionals should inspect the hair, injected surface, and PU condition. Any replacement tape must also match the supplied panel and adhesive specification.
Invisible Tape-In vs Classic and Slimline
Classic Tape-In distributes hair from the edge of a conventional PU tab. Slimline instead emphasizes a narrower, elongated tab shape. Invisible Tape-In changes how the hair emerges across the PU surface through injected construction.
These differences give buyers distinct options for tab geometry and root appearance. Compare the Tape-In Hair Extensions collection to select the construction that suits your product range. Then evaluate the actual samples alongside your placement and hair specifications.
Wholesale Invisible Tape-In Hair Extensions
Epoche manufactures Invisible Tape-In Hair Extensions for wholesale hair brands, distributors, salons, and professional extension businesses. We offer Virgin Hair and Remy Hair options. Buyers can also customize length, texture, long-hair ratio, weight per piece, and piece configuration.
For the attachment, customization includes tab dimensions, PU specifications, injection depth, spacing, hair direction, and adhesive requirements. We also support OEM, ODM, and private label Invisible Tape-In programs with customized labels and packaging.
Sample Development and Production Consistency
Sample review should cover both the injected tab and the hair. For example, buyers can compare root distribution, surface flatness, edge quality, color, finished weight, and adhesive compatibility. The approved sample then provides the reference for bulk production and repeat orders.
As an Invisible Tape-In Hair Extensions manufacturer, Epoche develops the final product around these agreed specifications. Request Invisible Tape-In samples to evaluate the injected root appearance, hair quality, and attachment construction before placing a bulk order.
OEM & Customization
Developed Around Your Collection Requirements
Epoche supports OEM, ODM, and private-label development for Invisible Tape-In Hair Extensions.
Customization options include:
- Virgin Hair or Remy Hair
- Hair length, texture, color, and long-hair ratio
- Single-drawn or double-drawn specifications
- Hair weight per piece, piece count, and total pack weight
- Injected PU tab width, height, shape, thickness, and piece configuration
- PU material, formulation, color, transparency level, softness, and flexibility
- PU surface smoothness, flatness, edge profile, and finished appearance
- Injection depth, injection spacing, hair direction, and root distribution
- Hair retention, injection stability, and strand alignment across each tab
- Double-sided tape width, height, thickness, tack level, and surface coverage
- Tape liner material, liner color, release performance, and printed branding
- Initial-use adhesive and compatible replacement-tape specifications
- Adhesive alignment, edge stability, and injected-PU compatibility
- Solid, piano, highlighted, rooted, ombré, balayage, and custom-matched colors
- Customized labels, cards, bags, boxes, and private-label packaging
Hair specifications, injected PU construction, injection pattern, adhesive compatibility, hair retention, piece weight, color consistency, and finished workmanship are confirmed through sample evaluation before bulk production.
Care & Longevity
Preserve Quality, Structure and Appearance
Practical maintenance guidance helps preserve hair quality, protect the attachment area, maintain appearance and support longer service life.
Have Invisible Tape-In Hair Extensions installed, maintained, removed, and repositioned by a trained professional.
Follow the setting time specified for the approved adhesive system before washing or applying heavy styling products.
Brush gently with a suitable hair extension brush while supporting the attachment areas.
Begin brushing from the ends and work upward without pulling directly on the injected PU tabs or attached natural-hair sections.
View Complete Care Guide
Wash with lukewarm water and a gentle shampoo formulated for human hair extensions.
Keep conditioner, oils, masks, serums, and heavy styling products away from the injected PU tabs and adhesive areas.
Rinse thoroughly to prevent product buildup around the tape attachments.
Do not sleep with wet or damp hair. Dry the roots, injected PU tabs, and surrounding attachment areas completely after washing.
Use heat protection on the hair lengths and keep heated tools away from the injected PU surfaces and adhesive.
Avoid pulling, twisting, scratching, sharply folding, or brushing aggressively around the injected root and attachment areas.
Maintenance timing should be determined according to natural-hair growth, attachment condition, and professional assessment.
Use a compatible professional remover and allow the adhesive to release before separating the Tape-In pieces.
Never pull the extensions from the natural hair while the adhesive remains bonded.
Remove adhesive residue gently without scraping, stretching, overheating, or damaging the injected PU surface.
Use only approved replacement tape compatible with the confirmed injected PU construction.
Inspect the hair, injection areas, PU tabs, edges, and adhesive surfaces before reinstallation.
Do not reinstall pieces with loose injected hair, cracked or distorted PU, separating surfaces, damaged edges, or excessive structural wear.
Store removed pieces clean, dry, detangled, and arranged flat before reinstallation.
Manufacturing Control
Made for Repeatable Production
Each sample is developed around defined construction, hair, color and finishing requirements so approved specifications can be carried consistently into bulk production.
01
Injected hair placement and direction
02
PU surface quality and edge finishing
03
Adhesive alignment and compatibility
04
Color consistency across production
05
Sample-to-bulk specification control
06
Private label and packaging execution
Frequently Asked Questions
Questions About This Product
What is the difference between Invisible and Classic Tape-In Hair Extensions?
Invisible Tape-In Hair Extensions use hair inserted directly into the PU surface to create a refined root-like appearance without a conventional exposed top edge. Classic Tape-In Hair Extensions use a standard flat PU tab with hair attached along the tab structure. The two products differ in construction, visible top profile, manufacturing process, and target positioning.
Are Invisible Tape-In and Injected Tape-In Hair Extensions the same product?
Yes. Invisible Tape-In Hair Extensions and Injected Tape-In Hair Extensions generally refer to the same construction family. Hair is inserted directly into the PU surface so that it appears to emerge from the tab rather than from a conventional exposed edge.
How does an injected PU tab create a more natural-looking root appearance?
Hair is inserted directly into the PU surface with controlled depth, spacing, direction, and distribution. This creates a refined root-like surface and can reduce the visibility of the attachment edge when the color, placement, and natural-hair coverage are correctly matched.
How are Invisible Tape-In Hair Extensions installed?
A trained professional places a fine section of natural hair between the adhesive side of the injected PU tab and a compatible companion tape tab. The pieces are aligned and pressed together to form a sandwich attachment, with the injected hair surface facing outward beneath sufficient natural-hair coverage.
Can Invisible Tape-In Hair Extensions be reused?
Yes. When the hair, injected areas, and PU tabs remain in suitable condition, the extensions can be professionally removed, cleaned, fitted with compatible replacement tape, and reinstalled. Reuse depends on hair quality, injection stability, PU condition, maintenance, removal technique, and adhesive compatibility.
Can Invisible Tape-In specifications and samples be customized?
Yes. Virgin Hair or Remy Hair, length, texture, color, long-hair ratio, injected PU dimensions, injection depth, spacing, hair direction, root distribution, piece weight, adhesive specifications, labels, and packaging can be customized. Samples can be evaluated before bulk production for root appearance, injection stability, hair retention, PU quality, adhesive compatibility, color, and finished workmanship.
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