The Goldwell StyleSign Volume Root Boost Spray is a controlled and precise root volumizer that provides targeted volume in fine and limp hair types and textures. This spray provides the hair with incredible volume and a strong yet flexible hold for up to 48 hours! The Goldwell StyleSign Volume Root Boost Spray provides the hair with 100% more volume, humidity, and frizz resistance for up to 72 hours. It is infused with Goldwell's Marine Bamboo Technology that wraps each and every hair strand in protection while also providing it with strength and flexibility. In addition to frizz and humidity protection, the Goldwell StyleSign Volume Root Boost Spray provides the hair with incredible UV protection.