How-To: OUAI Wave Spray Waves By Sara Boyette Posted 10.05.2017 Share on Mist damp hair evenly, 6” from the head with OUAI Wave Spray. Clip hair in 2” sections with duck bill clips to for a wave pattern. Hit with a blow dryer for one minute. Remove the clips and repeat on other sections. Butterfly with OUAI Texturizing Hair Spray for added volume.