ghd Heat Protect Spray is the most essential accessory for ghd users. This is because regular heat styling and blow drying can weaken your hair and even damage it if not cared properly. ghd heat protect spray is designed and tested to work best with ghd hair styling tools. Not only you should use it before heat styling, make sure to apply before blow drying, curling too to achive the best effect and minimize the potential damage to your hair.