Building Fibers Economy consists of natural Keratin Nanofibers that are mixed with the thinning hair through static electricity and gives 100% natural density. The result is instant, completely natural, never noticeable and lasts until the next shampooing, while giving you thick hair, confidence and beauty. Toppik Hair Building Fibers is a 100% natural product, not affected by caressing the hair, nor by rain, sweat or wearing a helmet. It fits any hair color, is approved by the EOF, and is recommended by Dermatologists and all hair transplant clinics in Greece and abroad. It is ideal for men and women, at any stage of Alopecia, who wish to immediately restore in a safe and natural way the youthful, healthy and lush appearance of their hair.