B razilian hair straightening, known as keratin treatment or Brazilian blowout, has become increasingly popular worldwide for transforming frizzy, curly hair into smooth, sleek locks. Originating from Brazil, this treatment utilizes keratin, a protein naturally found in hair, to improve its texture and manageability. Over the years, various techniques and formulations have emerged, catering to different hair types and preferences. This article will delve into some of the most common types of Brazilian hair straightening methods. Traditional Brazilian Keratin Treatment: This method involves applying a keratin-rich solution to the hair, which is then sealed with a flat iron. The heat helps to activate the keratin, allowing it to penetrate the hair shaft and bond with the existing keratin in the hair. The result is smoother, straighter hair and more resistant to humidity and frizz. This treatment typically lasts for several months, gradually wearing off over time. Brazilian Blowout: Th