Our world-famous Nanogen Hair Fibres are the perfect way for everyone to add volume and thickness to fine or thinning hair. Hair thickening fibres are easy to apply just like a styling product. Will bulk hair and conceal any areas of hair thinning or scalp show through in seconds. Available in 10 shades and suitable for sensitive scalps, our Fibres won’t clog pores or affect the penetration of topical treatments such as Minoxidil.