its a bit painstaking...but you can spray a comb with 99% or Lace Releaser and comb the glue out of the hair in small sections. to avoid this happening in the first place, if one releases correctly with 99% or LR, there should be little to no glue left on the piece....another reason this may have happened is due to leaving it on too long and allowing the glue/tape to break down and get gooey!!
DebbieS.
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