Click to expand Tap to zoom Wella - Thermal Image Heat Protection Spray 150ml by Wella Save 0% Save % Please register or login to view prices. SKU 81571130 The Wella EIMI Thermal Image is a 2-phase heat protection spray. Phase 1 is formulated to nourish the hair and to protect it from heat up to 220°C. Phase 2 smooths your hair for a flawless shiny result. Hold level – 2/4.