The Nanogen Keratin Hair Fibres in Medium Brown shade, weighing 15g, are a popular choice for those looking to add volume and thickness to their hair. Made with active ingredient Keratin, these building fibres are suitable for all hair types and come in a standard size. With an expiry date of August 2028, they are guaranteed to last for a long time. This product, manufactured in Spain, is part of the Nanogen Keratin Hair Fibres product line, designed for both men and women to help in achieving a fuller and more luxurious look.