Achieve up to a 24 hour curl hold* with ghd’s curl hold spray - curly ever after. Pairs best with their curve collection. The ghd heat protection system forms a protective thermal layer over the surface of the hair for a smoother look and healthier feel. ghd heat protection system Combines protecting polymers conditioning agents to prevent cuticles lifting for sleek, smooth hair. Long-lasting curls Delivers up to 24 hour curl hold* for a style that lasts all night. High definition curls Gives more defined curls, 8/10 agree. Superior curl hold Lightweight formula for superior curl hold.