Application & typical recommended dosage: GKA can enhance the good performance of glyoxyloyl carbocysteine (GC-S). 5%--10% Benefits: Form the crosslinks with GC-S to repair the hair fibers surface and make it possible to keep hair smoothly straight for long time, Enjoy safe beauty! Storage: In accordance with local regulations, store in original container protected from direct sunlight in a dry, cool and well-ventilated area. Keep container tightly closed and sealed until ready for use. Package:  200kg/drum or 25kg/drum
