GOLDWELL Dualsenses Bond Pro Repair & Structure Spray - Inter-Amino-Bond-Builder fortifies the hair from inside out by forming new ionic and hydrogen bonds. MicroPROtec Complex distributes essential care ingredients quickly and evenly and protects from color-fade-out. Suitable for fine, fragile hair, the formula is designed to offer cuticle protection while strengthening against the effects of environmental stressors. The leave-in spray promotes easy styling while also offering heat protection.