WHAT HEAT DOES THE HEAT PROTECTION SYSTEM PROTECT UP TO? 06 September 2022 07:24 It protects up to 220ºC, however we do not recommend styling hair over 185ºC. Related articles WHICH GHD HAIR STYLING PRODUCTS CONTAIN HEAT PROTECTION? ARE GHD HAIR PRODUCTS TESTED ON ANIMALS? WHAT INGREDIENTS ARE IN YOUR WETLINE PRODUCTS?