A device for sealing a vertical hairstyle including synthetic strands. The device includes a chamber having a heating mechanism disposed in a bottom surface of the chamber. The device further includes a neck portion defining a portal into the device. The neck portion is at least partially lined with a liquid-absorbent material. An extendable portion is disposed between, and connects, the chamber and the neck portion. The extendable portion is extendable between a fully compressed state and a fully extended state.