I’ve spent almost a year testing dozens of heat protectants for hair. Whether you’re blow-drying, curling, or straightening, these are the best formulas I’ve found.I’ve spent almost a year testing dozens of heat protectants for hair. Whether you’re blow-drying, curling, or straightening, these are the best formulas I’ve found.
15 Best Heat Protectant Sprays for Wet and Dry Hair (2025) from Wired Kat Merck
