KT Professional Ginger BTX Masque Makes Hair Fuller & Adds More Volume (500 ml)The revolutionary Fiber BTX is a unique two in one treatment. The Fiber BTX does two distinct work on the hair, it works as a hair filler and also works as a zero formaldehyde hair protein and keratin smoothening system. The hair filler is based on collagen, keratin, Argan oil, amino acids, and phospholipids. It adds glow, texture and visible rejuvenation to your hair from the first application. The BTX effect concentrate is molecularly active by