Instant lift where you need it most. The Goldwell StyleSign VOLUME Root Boost Spray, formerly known as Ultra Volume Double Boost, is a targeted root-lifting spray that adds body and fullness to fine and limp hair. Providing up to 48 hours of hold, this professional styling spray delivers long-lasting root support without weighing the hair down, leaving it looking fuller, bouncier, and more voluminous.Key benefits: Instantly lifts fine and limp roots Provides up to 48 hours of targeted root volume Lightweight formula won’t weigh hair down Perfect for blow-drying and styling Suitable for all hair textures How to use: Step 1: Shake well before use Step 2: Spray directly onto towel-dried roots Step 3: Blow-dry and style as desired for lifted, voluminous results FAQsIs this the same as Goldwell Double Boost?Yes – this is the updated version, renamed under the StyleSign VOLUME range.Will it make my roots feel stiff?No – the lightweight formula provides hold and lift without stickiness or stiffness.Can I use it on all hair types?Yes – while perfect for fine or limp hair, it also works well on normal and thick hair needing root lift.