A hair extensions stapler is provided. The hair extensions stapler includes a housing with a head at one end and a handle at the other. The head includes a collection area for securing hair, and the handle is equipped with a lever arm that actuates a stapling mechanism. The hair extensions stapler includes a cartridge capable of holding hypoallergenic and heat-resistant staples made from titanium and copper alloy. The staples transition from a C shape to an O shape upon actuation, securely attaching weft hair extensions to cornrows. The hair extensions stapler provides an efficient alternative to traditional needle and thread methods, reducing installation time, minimizing hair damage, and simplifying maintenance and removal processes.

The glue-applicating apparatus for hair tracks is configured for use with a hair track. The hair track is an example of a hair extension. The glue-applicating apparatus for hair tracks applies an adhesive to the hair extension. The adhesive adheres the hair extension to the skin of a client. The glue-applicating apparatus for hair tracks comprises a housing structure, a fluidic structure, and an application structure. The housing structure contains the fluidic structure and the application structure. The application structure forms a fluidic connection with the fluidic structure. The fluidic connection transports the adhesive to the application structure. The application structure applies the adhesive to the hair extension.

A hair weft includes a hair transplantation base and a first hair strand including a plurality of first hair elements, each first hair element includes a first end fixing end portion, a transplantation portion, and a first hair body portion, wherein the transplantation portion is embedded in the hair transplantation base, the first end fixing end portion and the first hair body portion are provided at two opposite sides of the hair transplantation base.