What it is:Step 4 (Finish) stylingaid in ghd's 4-step thermodynamics(TM) system: A shine-enhancing spray with UVA protection - for all hair types.What it is formulated to do:Gives instant radiance to heat-styled hair, leaving hair static-free with superior shine. Helps retain hair's moisture and elasticity when heat-styling to eliminate frizz and prevent static.What else you need to know:The fast-drying formula dries in seconds.