Keratine Protein Brazilian Hair Shampoo is a professional-grade shampoo that is designed to cleanse and nourish dry, damaged, and frizzy hair. It is rich in keratin, a natural protein that helps to strengthen and repair the hair shaft. The shampoo also contains vitamin B5, which helps to hydrate and soften the hair. Keratine Queen Brazilian Protein Hair Shampoo is suitable for all hair types, but it is especially beneficial for those with damaged or frizzy hair. It can help to reduce frizz, improve manageability, and add shine to the hair.