... 4) You can perming dyeing, but please remember do not do this too frequent, and remember to use the ... of hair overexert when washingOur transportation : FAQ Q1. How Much Hair Do I Need?A : For average head size, here ... style the brazilian virgin hair . However, don't do it too frequently, or the heat will make the ... products and test a small sample first.Q8: How to tell human hair with synthetic hair?A: ...