They stay thick for soo long and hair extensions uk in a while i have had them for a year and they stay have soo long left in them. I cut lace wigs and it was still long. I would recommend that you take gentle care when combing this wig because breakage can be mistaken for human hair still live it and plan to make future purchase. However, the full lace wigs still remains full and the curls are a curly wave which I prefer. So my lesson is do over wash the brazilian hair bundles do use heat, use room temperature water to wash and rinse.