A removal system for sewn-in hair extensions, hair weaves, hair augmentation, and wigs is disclosed. This invention solves issues with respect to facile removal and scalp irritation caused by such extensions through the use of methods using dissolvable thread and dissolving agent, with optional added antipruritic and anti-itch properties or by adding a separate antipruritic agent. The dissolvable thread may be used to either secure hair extension wefts to a wearer's hair or in conjunction with a hair weft constructed of the same dissolvable material comprising the thread.