Ultrasound goop (3)
I believe the answer is:
gel
(Other definitions for gel that I've seen before include "Hair styling substance" , "Congeal - hair dressing" , "Leg it back to get some for your hair" , "Sticky substance" , "Colloid" .)
I believe the answer is:
gel
(Other definitions for gel that I've seen before include "Hair styling substance" , "Congeal - hair dressing" , "Leg it back to get some for your hair" , "Sticky substance" , "Colloid" .)