ghd straight on - straight & smooth spray helps to straighten hair and tame frizz for a smooth look that lasts. With advanced ghd heat protection system. Power couple with the ghd max styler for up to 3x less frizz*. Effect: Smoothing, anti-frizz.Hair type: All hair types *Technical test in a laboratory on frizzy hair compared to naturally dried hair. Application: Spray on towel-dried hair before blow-drying, or on dry hair before thermostyling.