The average woman living in America will spend $55,000 on hair products and treatments. Keratin smoothing treatment is a popular expenditure that originated in Brazil during the 2000s. It could be the solution if you have flyaway, dull, or lifeless hair. Keratin is a natural protein our bodies produce for strong nail and hair growth. However, we could do with an added dose of keratin for protection from today's pollution and toxins. Salon keratin is made from materials such as feathers, wool, animal horns, and glyoxylic acid. It flattens down the cells in your hair so that each strand becomes smooth. The ...