DEVACURL Flexible Hold Hairspray is new for ultimate Curl Flexibility. Our formulas are dermatologist co-developed, backed by science and stylist approved. Stay-put style with flexibility. Wind- and humidity-resistant spray gives you flexible hold, frizz control and shine. This no-crunch finishing styler also is humidity and wind resistant, adds shine maintains moisture and is lightweight and has no visible residue. Stay-put style with flexibility. Wind- and humidity-resistant spray gives you flexible hold, frizz control and shine.