Dry Hair Guides: Expert Advice for Dry, Frizzy & Damaged Hair

Fine heat protection mist being applied to long healthy brunette hair

Heat Protection Spray: How It Works and Which to Choose

Reviewed by Nicky Spochter, Senior Hair Revival & Smoothing Expert, Partners Hair V&A Waterfront · October 2026 TL;DR: Heat protection spray works by coating the hair shaft with a barrier that disperses heat — it slows thermal damage rather than...

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