12 Best Heat Protectant Sprays for Wet and Dry Hair (2025)

Other Heat Protectants We Tried Photograph: Kat Merck R+Co Bleu Hypersonic Heat Styling Mist for $36: This high-tech-looking aerosol in a recycled aluminum bottle was a favorite during the early weeks of testing—I liked its protection up to 450 degrees Fahrenheit and its frizz-fighting properties. However, it does use a polymer and resin complex to smooth hair, and over time I noticed it was leaving a sticky residue on my hands and heat tools. Pureology Instant Levitation Mist for $32: Pureology is known for its formulas made specifically for color-treated hair, so I was hoping this would be a great-performing solution for those who don't want to risk ruining their expensive highlights or balayage. However, it seemed to leave a dull residue, and neither I nor my short-haired tester found the volumizing feature to be very effective. Photograph: Kat Merck Biolage Thermal Setting Spray for $23: I like the Biolage brand, and the fact that this can be used on either damp or dry hair (t ... Read full article.