ECHOSLINE Encanto Brazilian Keratin Straightening Treatment Keratin Hair Straightening Treatment. Treat your hair to some luxurious care. The Echosline Brazilian Keratin will make your hair smooth, soft, and shiny.Makes hair velvety smooth.And prevents split ends.Giving hair shine.Natural Brazilian keratin is suitable for all hair types. It perfectly cares for dark hair and all of you who have damaged, unruly, dyed, weakened, short, long, or wavy hair.The most popular keratin treatment, the bestseller with the strongest straightening effect, is the right one for you. Regenerating hair care with keratin protein is suitable for all hair types, ideal for brunettes, and for all of you who have damaged and weakened lifeless hair. Become a goddess with perfectly straight and smooth hair.