FIBERFLEX BOND PROTECTION MASK # 2 the latest technology for hair. Composed of silk protein interlaced through a network of polysaccharides (extracted from linseed),FIBERFLEX BOND PROTECTION # 2 provides superior care for bleached or highlighted hair, without compromising the integrity of the hair color. FIBERFLEX BOND PROTECTION # 2 system of Integral Silk Protein allows for healthy melanin oxidation and protects the keratin chains of the hair, resulting in perfect hair texture.