1 LissEver Blond Formaldehyde-Free Active 1x1000ml -. Bleached, Blonde, Highlighted and Colored Hair For all hair types and colors: unruly, wavy, curly, colored, blonde, highlights, and streaks. - Thick, Very Unruly and Difficult Hair: use a temperature of 230°C (450°F) and straighten very thin strands more often.
