The Doux One-Pass Press Heat Protectant Hair Spray - 4 fl oz - Formulated with a plant-based polymer to strengthen as it seals, O.P.P. OnePass Press Heat Protection Spray from The Press Play Thermal Styling System softens in one pass to prevent straight spots created by double pressing. This heat protection spray tames coarse textures and smooths the cuticle, reducing excess tension during the silkening process.