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Create deep black length and fullness with our #1 Jet Black 20 Inch 0.5g Nail-Tip (U-Tip) Hair Extensions. Made from Chinese Remy human hair, these lightweight individual extensions feature pre-bonded keratin nail-shaped tips designed for professional fusion application.
Each strand weighs approximately 0.5g, providing approximately 12.5g 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 0.5g per strand, these extensions provide a lighter individual strand than the 1.0g option. This gives a stylist greater flexibility when selecting and distributing strands according to the natural hair density, existing length and desired finished result. Professional consultation and fitting are recommended.
These extensions are supplied in quantities of 25 strands. As a general guide, approximately 175–200 strands (7–8 bundles) may be used for a full-head application, while around 100–150 strands (4–6 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 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 our deepest true-black shade. It is particularly suited to naturally black or coloured hair with an intense, 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. If your hair appears slightly softer or shows subtle brunette tones in natural daylight, #1B Off Black may provide the closer match.
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 .
