K Tip Hair Extensions
Pre-bonded strands with Italian keratin tips. Fusion iron melts the bond directly to natural hair. Longest-wear install method — 10 to 14 weeks per cycle.
The Long-Wear Fusion Standard
K tip (Keratin tip) is the hot-fusion install standard for premium salon extension programs. Each strand carries a keratin polymer tip that melts under a fusion iron at 130-140°C, forming a direct bond with natural hair. Undetectable finish, longest wear duration in the extension category.
Every K-tip extension shipped by VeeJeen passes through the same 4-gate QC that every other hair extension on our floor passes. Mixed-SKU orders — tape-in paired with K-tip paired with hand-tied weft — all meet the same cuticle alignment, color tolerance, and shed-rate thresholds, so the salon tech installing them works to one consistent spec rather than product-by-product guesswork.
The K-tip extension is salon-floor-tested across 400+ accounts in 25 countries. Install times, wear duration, and reinstall cycles that we quote are measured against real salon data from working accounts — not vendor-side laboratory tests. Numbers you can quote to your own salon team without caveat.
- Italian keratin bondPremium-grade polymer, no yellowing over time
- 10–14 week wear cycleLongest of any extension method
- Fusion iron install2–3 second heat activation per strand
- Undetectable finishBond rolls into invisible cylinder
- Reusable 2–3 cyclesReinstall with fresh keratin bond
K Tip · Italian Keratin Bond
Three Tip Shapes for Different Install Preferences
The keratin bond shape decides how invisible the finish looks and how the bond sits against the scalp.
Flat Tip
Wider tip shape with more surface area for stronger bonding. Preferred for coarse or thick natural hair.
Rounded Tip
The industry standard. Rounded bond rolls into a nearly invisible cylinder against the scalp. Best all-around finish.
Stick Tip
Cylindrical stick-shaped bond. Versatile fit for medium hair densities. Faster fusion time due to smaller bond volume.
Three Italian Keratin Grades to Match Salon Price Tier
Standard Keratin
Skin-safe keratin polymer. Standard salon grade. Reliable bond, standard yellowing resistance.
Italian Keratin
Premium-grade Italian formulator polymer. Clearer melt, no yellowing over full wear cycle.
Ultra Bond
Reinforced Italian keratin with extended-wear formulation. Longest-life bond available.
Which Fusion Method Fits Your Salon
The most-asked buyer question. Hot fusion versus cold fusion side-by-side.
K Tip (Hot) vs I Tip (Cold) — Full Attribute Matrix
| Attribute | K Tip (Hot Fusion) | I Tip (Cold Fusion) |
|---|---|---|
| Install Method | Fusion iron 130–140°C | Bead-and-loop, no heat |
| Bond Material | Italian keratin polymer | Pre-formed keratin tip |
| Requires Heat | ✓ Fusion iron | ✗ No heat |
| Install Time (Full Head) | 120–150 minutes | 90–120 minutes |
| Wear Duration | 10–14 weeks | 6–8 weeks |
| Visibility | Undetectable rolled bond | Low-profile bead visible |
| Reusable Cycles | 2–3 cycles | 2–3 cycles |
| Best For | Healthy long-wear | Fine / damaged / heat-sensitive |
| Cost per Pack | Premium | Mid-premium |
See the Bond Close Up
Real product photography from finished pack and salon install.
Full Install · Client Outcome
Rounded Tip Close-Up
Keratin Bond Detail
Length Range
Color Card
Fusion Iron Tool
Client Wear · Week 6
100 Strand Pack
Blonde 22 InchComplete Product Spec Sheet
Every tip shape × bond grade in one table.
| Attribute | Flat Tip | Rounded Tip | Stick Tip |
|---|---|---|---|
| Hair Type | 100% Remy human | 100% Remy human | 100% Remy human |
| Bond Material | Italian keratin | Italian keratin | Italian keratin |
| Tip Shape | Flat rectangular | Rounded oval | Cylindrical |
| Tip Dimensions | 6mm × 2mm | 4mm diameter | 3mm diameter |
| Weight per Strand | 1.0g | 1.0g | 1.0g |
| Strands per Pack | 100 strands | 100 strands | 100 strands |
| Pack Weight | 100g | 100g | 100g |
| Fusion Temp | 140°C | 140°C | 130°C |
| Fusion Time | 3 seconds | 2–3 seconds | 2 seconds |
| Length Range | 14–26 inch | 14–26 inch | 14–24 inch |
| Color Options | 60+ stock shades | 60+ stock shades | 50+ stock shades |
| Wear Duration | 12–14 weeks | 10–12 weeks | 10–12 weeks |
| Reusable Cycles | 2–3 cycles | 2–3 cycles | 2–3 cycles |
| MOQ (Wholesale) | 50 packs | 50 packs | 50 packs |
| Private Label MOQ | 100 packs | 100 packs | 100 packs |
| Factory-Standard Guarantees · Uniform Across All Variants | |||
| Cuticle Alignment | 100% root-to-tip | 100% root-to-tip | 100% root-to-tip |
| Remy Grade | Full-cuticle Remy | Full-cuticle Remy | Full-cuticle Remy |
| Tensile Strength | > 60N per strand | > 60N per strand | > 60N per strand |
| ΔE Color Tolerance | < 2.0 vs. reference | < 2.0 vs. reference | < 2.0 vs. reference |
| Shed Rate Guarantee | < 3% per pack | < 3% per pack | < 3% per pack |
| Moisture Content | < 12% at pack seal | < 12% at pack seal | < 12% at pack seal |
| Wash Fastness | 10-cycle salon-tested | 10-cycle salon-tested | 10-cycle salon-tested |
| Pack Weight Tolerance | ± 2% declared | ± 2% declared | ± 2% declared |
| Batch QC Card | Included in every pack | Included in every pack | Included in every pack |
| Master Carton Barcode | Tracks to source ledger | Tracks to source ledger | Tracks to source ledger |
| Regulatory & Compliance Standards · Documentation Available | |||
| Regulatory Filing Support | Documentation for FDA / EU CPNP / ASEAN filings | Documentation for FDA / EU CPNP / ASEAN filings | Documentation for FDA / EU CPNP / ASEAN filings |
| Third-Party Lab Testing | SGS or Intertek pulls arrangeable at buyer cost | SGS or Intertek pulls arrangeable at buyer cost | SGS or Intertek pulls arrangeable at buyer cost |
| Batch Traceability Serial | Unique serial per carton, links to source ledger | Unique serial per carton, links to source ledger | Unique serial per carton, links to source ledger |
| Retained Batch Sample | 12 months minimum (hair) / 24 months (adhesive) | 12 months minimum (hair) / 24 months (adhesive) | 12 months minimum (hair) / 24 months (adhesive) |
| QC Documentation Language | English, refreshed per lot, notarized on request | English, refreshed per lot, notarized on request | English, refreshed per lot, notarized on request |
| Grade Tier Options · Available Across All Variants | |||
| Grade: Standard Remy | Cuticle-aligned Remy, base grade · base price | Cuticle-aligned Remy, base grade · base price | Cuticle-aligned Remy, base grade · base price |
| Grade: Double Drawn | ∼85% of strands at full declared length · +25% unit cost | ∼85% of strands at full declared length · +25% unit cost | ∼85% of strands at full declared length · +25% unit cost |
| Grade: Super Double Drawn | ∼95% of strands at full declared length · +40% unit cost | ∼95% of strands at full declared length · +40% unit cost | ∼95% of strands at full declared length · +40% unit cost |
| Grade: Virgin Cuticle | Untouched cuticle, never chemically processed · +55% unit cost | Untouched cuticle, never chemically processed · +55% unit cost | Untouched cuticle, never chemically processed · +55% unit cost |
Hot Fusion Install Workflow
Salon install flow. Requires fusion iron and trained stylist.
Section Hair
Part hair horizontally into thin sections.
Position Strand
Place K tip strand against natural hair section.
Fusion Iron
Clamp fusion iron at 130-140°C for 2-3 seconds.
Roll Bond
Roll melted bond into invisible cylinder shape. Peel adhesion verified > 8N/25mm per batch; batches failing tests are reworked, not released.
Cool & Style
Let bond set 30 seconds. Blend and style.
How Every K Tip Pack Is Built
Documented QC from raw hair intake through keratin bond formation.
Cuticle Alignment Verify
40x microscope check on 6 strands per bundle. 100% root-to-tip alignment required or bundle rejects at intake. Verified by 40x microscope on 6 strands per intake bundle; any reversed direction rejects the whole bundle.
Remy Grade Confirm
Cross-check against source ledger. Reject any bundle showing mixed cuticle direction — the signature of non-Remy hair blended in. Full-cuticle Remy, cuticle direction matched root-to-tip across 100% of strands at intake.
Tensile Pull Test
Digital force gauge, 5-strand sample per hour. Threshold >60N single-strand pull to break. Fails trigger station halt. Threshold > 60N per single strand; batches failing twice are reworked and retested, not shipped on waiver.
Spectrometer Color Match
X-Rite Ci64 reflectance spectrometer. Every dyed batch measured against reference swatch to ΔE < 2.0. X-Rite Ci64 unit, calibrated weekly against certified white tile; cross-batch readings archived 12 months.
Shed Weight Measurement
0.01g scale. Comb 50 strokes, weigh loss. Shed rate must stay < 3% of pack weight. Above — reject pack. ± 2% weight tolerance per pack at 0.5g scale resolution; signed QC card inside every pack verifies.
Moisture Content
Gravimetric analyzer at 105°C. Threshold < 12%. Above — re-dry batch and retest before it moves forward. Gravimetric moisture analyzer at 105°C; threshold < 12% content before every pack seal.
Wash Fastness Simulation
10-cycle home laundry rig. No detectable color loss. Fails send batch back to color lab for reformulation. 10-cycle salon wash simulation on retained sample; batches showing any color loss are reworked, not shipped.
Tangle Resistance Test
Dry-comb and wet-comb behavior graded 1–5 scale. Only grades 4 and 5 ship. Standard for every SKU. Dry-comb and wet-comb behavior graded on a 1–5 scale; only grades 4 and 5 ship from the final QC gate.
Pack Weight Verify
Every pack weighed against declared spec. Tolerance ± 2% at 0.5g resolution. Signed QC card inside every pack. Every pack weighed against declared spec, tolerance ± 2% at 0.5g resolution, with signed QC card inside.
Batch Traceability
Every carton labeled with batch number that tracks back through color lot, tying station, and source ledger. Serial batch number per carton; links back to source ledger, color lot, tying station, pack shift.
Order K Tip by the Case
Standard tip shapes and Italian keratin bond at wholesale tier pricing.
- MOQ 50 packs per SKU (100 strands each)
- Tier discounts at 100, 300, 500 packs
- Mix tip shape, color, length in one order
- Samples billed at product cost plus shipping
- Full payment upfront — no partial deposits
- DDP shipping supported
Your Brand on Every Pack
Full private label with custom bond grade, color, and packaging.
- Custom packaging box and hang tag
- Custom color ring (15–40 shades)
- Choose bond grade (Standard / Italian / Ultra)
- Custom tip dimensions
- MOQ 100 packs on private label
- Custom orders require full payment upfront
Who Buys K Tip From VeeJeen
Premium salons and distributors targeting long-wear extension programs.
Premium Salons
High-end salons offering long-wear fusion install as flagship service. Premium tier: tighter tolerances (ΔE < 1.5, ± 0.01g strand weight) on 100-pack minimum PL contract.
Buyer ⅡDistributors
Distributors stocking fusion tier for premium salon accounts. Distributor accounts unlock 8–12% below salon wholesale price, split-ship to 8 destinations per PO.
Buyer ⅢBrand Owners
Private-label brands positioning around Italian keratin quality. Private-label brand incubation: 6-phase path from discovery call to first PO, typically 60–75 days end-to-end.
Buyer ⅣFusion Stylists
Stylists specialized in fusion install method training. Independent stylist orders ship from the same 50-pack MOQ as salons; same wholesale price, same QC pack.
What Ships With K Tip Orders
Fusion tools, keratin glue, and alternative fusion products.
