Andrea provides a positive review of the Keratin Care Smoothing Shampoo by Keratin Complex. She mentions that the shampoo, when used in combination with the Keratin Complex Conditioner, works great for her hair. She appreciates that the shampoo is not overly heavy and leaves her hair feeling hydrated. Andrea also likes the scent of the product. She notes that a little goes a long way with the conditioner, which is a plus. Overall, Andrea is satisfied with the performance of the Keratin Care Smoothing Shampoo and recommends it for those looking to achieve smooth and hydrated hair.