Sweet Hair Professional's SOS Powder Generation 2.0 protects against alkaline processes, builds fiber restructuration, provides mass replenishing, and increases the hairs strength. This protective powder is made to be mixed with any alkaline products (such as bleaching powders). The Plex Powder protects the hair fibers against the damages caused during treatments and keeps hair's elasticity during the alkaline process. Features Benefits: Repairs, revitalizes and recovers damaged hair after a high-compaction chemical process Can be used on brittle and porous hair Composed of Liposome and Collagen