Lighten your strands up to 1.5 tones. Our exclusive formula activates with the heat of styling tools to gradually lighten in 3-5 uses. This targeted lightening spray is ideal for dull and lackluster blonde hair, whether natural or colored. It brightens and gradually creates sun-kissed highlights on your blonde hair. You can achieve various results depending on your desired use, whether it's overall lightening, targeted highlighting, or root touch-ups. This product contains peroxide and will permanently lighten the color of your hair. It is recommended to use it in combination with the Go Blonder range from JOHN FRIEDA.