The reviewer, Emily, shares her thoughts on the Timeless Color Fade-Defy Shampoo by Keratin Complex. She appreciates the shampoo's use of good ingredients, as it is free from sodium chloride, sulfates, and parabens. Emily mentions that she has colored hair with highlights, and she finds that the shampoo helps maintain the brightness and protect the color. She also notes that her hair feels strong and smooth after using the shampoo in combination with the Keratin Complex conditioner. Overall, Emily rates the shampoo a solid 7.5 to 8 out of 10, mentioning that while it may not be her absolute favorite, it is still worth trying, especially for those with colored hair.