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Create deep black length and fuller-looking results with our #1 Jet Black 22 Inch 1.0g Nail-Tip (U-Tip) Hair Extensions. Made from Chinese Remy human hair, these silky-straight individual extensions feature pre-bonded keratin nail-shaped tips designed for professional fusion application.
Each strand weighs approximately 1.0g, providing approximately 25g of hair across 25 strands. #1 Jet Black is our deepest true-black shade, making it particularly suited to naturally black and intensely dark hair.
Nail-Tip hair extensions are individual human hair strands supplied with a pre-bonded keratin tip. During fitting, the keratin bond is heated using a Hair Extension Heat Connector and secured around a small section of the natural hair.
At approximately 1.0g per strand, these extensions contain more hair in each individual strand than the 0.5g option. This allows more hair to be added using fewer individual bonds, although the most appropriate strand weight and quantity will depend on the density and condition of the natural hair and the desired finished result. Professional consultation and fitting are recommended.
These extensions are supplied in quantities of 25 strands. As a general guide, approximately 100–125 strands (4–5 bundles) may be used for a full-head application, while around 50–75 strands (2–3 bundles) may be used for a half-head application.
The exact quantity required depends on factors including your natural hair thickness, density, existing length and the amount of length or volume you want to achieve. We recommend discussing the required quantity with your hairstylist before ordering.
Nail-Tip extensions use a heat-fusion fitting method. The pre-bonded keratin tip is softened using a fusion heat connector and formed around an appropriately sized section of natural hair during application.
For detailed application instructions, view our Nail-Tip / U-Tip Hair Extension Fitting Guide .
Nail-Tip extensions should be removed carefully using the appropriate removal technique and products to soften and separate the keratin bonds from the natural hair.
For step-by-step removal information, view our Nail-Tip / U-Tip Hair Extension Removal Guide .
With appropriate maintenance, these extensions can be worn for approximately 2–3 months. The human hair can be cut, washed and styled, but correct care of both the extensions and keratin bonds is important throughout wear.
Avoid applying direct heat to the keratin bonds and follow our Hair Extension Aftercare Guide for important maintenance information.
#1 Jet Black is the deepest true-black shade in our range. It is particularly suited to naturally black hair or coloured hair with a strong, solid black appearance through the mid-lengths and ends.
Compared with #1B Off Black, #1 Jet Black has a deeper and more intense black appearance. #1B is softer and can show subtle brunette depth, particularly in natural daylight.
If your hair appears completely black without noticeable brown tones, #1 Jet Black is likely to provide the closer match. Where the hair has a softer or more natural black appearance, #1B Off Black may be more suitable.
For the best colour comparison, check the extensions against the mid-lengths and ends of your natural hair in good natural daylight rather than matching only against the roots.
Need help choosing your colour? View our Hair Extension Colour Chart .
