TOPPIK通过强大静电感应原理，发纤维会紧密附着在真发上，头发瞬间变粗变浓密，就像是瞬间长了无数根的新发一样效果逼真自然。 Recommended for women and men concerned with fine and sparse hair problems, with areas with poor hair, the product Toppik Hair Building Fibers 12g - Colour: Black are densifying coloured capillary fibres that will create an immediate natural result. Thanks to the quality of keratin, which is the same as that of your hair, the result is totally natural. Indeed, these fibers increase the volume of the hair instantly. Thanks to the electromagnetic weight of the Toppik fibres, the fibres adhere to the existing hair with strength and in a totally natural way, including also the finest hair. Results: the hair appears instantly more numerous. It is recommended to use the Fiberhold lacquer to promote fixation of the product. Dermatologically tested.