NISHMAN Hair Building Premium Keratin Fiber Haarvezelset 2 in1 zwartNISHMAN Hair Building Premium Keratin Fiber Haarvezelset 2 in1 Black: The NISHMAN Hair Building Keratin Set contains everything you need for professional hair thickening. It contains a 21g can of keratin hair fiber, which allows you to remove thinned areas of hair, such as eg a receding hairline or a tonsure on the back of the head visually conceal it in no time. The set also contains the NISHMAN Fiberhold Spray, with which you can fix the NISHMAN