ghd smooth & finish serum is a luxurious finishing serum that adds instant shine and lustre to hair with each application. Best for... Adding shine and smoothness to straight styles; taming and defining curls and waves; controlling flyaway hair caused by static; disguising the appearance of split and dry ends. To use... Dispense one pump for fine to normal hair, or a pump and a half for thick or coarse hair, in to clean hands. Massage between your palms and fingers until they’re evenly covered then work through mid-lengths and ends of your finished style, avoiding the root area. Style tip... For extra smoothness in curly, frizzy and coarse hair, work some serum through your mid-lengths and ends whilst damp and then blow-dry and style. If you’re using other styling products on your damp hair, apply serum last and then blow-dry.