It Can Make Hair Stronger. As mentioned, one of the benefits of using keratin is for strengthening the hair and making it more resilient. ... It Helps Prevent Color Fade. Coloring your hair with any dye or bleaching it can be very damaging to your strands. ... It Tames Frizz. Frizz and flyaways occur when hair is damaged. It Can Make Hair Stronger. As mentioned, one of the benefits of using keratin is for strengthening the hair and making it more resilient. ... It Helps Prevent Color Fade. Coloring your hair with any dye or bleaching it can be very damaging to your strands. It Tames Frizz. Frizz and flyaways occur when hair is damaged.