Keratin Tip Hair Extensions — U-Tip, Flat Tip & Everything You Need to Know
June 18, 2026 · By Yahui Hair Team
Keratin tip hair extensions are the gold standard for long-lasting, natural-looking results. Using hot fusion technology, keratin bonds are melted and sealed to natural hair — creating a hold that lasts 3-4 months. This guide covers everything salon owners need to know about buying keratin tips wholesale.
U-Tip vs Flat Tip — What is the Difference?
U-Tip (Keratin Bonds)
- Shape: U-shaped keratin tip at the top of each strand
- Installation: Heated fusion tool melts the U-shaped keratin around natural hair
- Best for: Most hair types. Classic keratin application method.
- Duration: 3-4 months with proper care
- $1100g
Flat Tip (Keratin Bonds)
- Shape: Flat, rectangular keratin tip — larger adhesive surface
- Installation: Same hot fusion method, but the flat surface provides stronger grip
- Best for: Thick, coarse, or heavy hair that needs extra hold
- Duration: 3-4 months
- $1100g
Why Salons Love Keratin Tips
- Longest-lasting method: 3-4 months vs 6-8 weeks for tape-ins
- Natural movement: Individual strands move like real hair
- Versatile styling: Can be curled, straightened, and colored
- High ticket service: Charge premium prices for keratin installation
Specifications
- Weight: 100g per pack
- Length: 16" to 26"
- Grades: Remy Hair / Virgin Hair
- Colors: 38 shades, dark (#1-6) and light (#7+)
- Keratin quality: Medical-grade keratin, no allergic reactions reported