B & B Express Multipack - Body Wave 100% Unprocessed Brazilian Human Hair  Perm, Bleach, Dye  One Pack is Enough  FAQ's: 1) Should I wash my human hair bundles before installing? Answer: Yes, your human hair bundle should be washed before installing to eliminate the dust and debris. 2) How should I keep my human hair bundles silky and shiny? Answer: Use silicon serum / spray in your hair to keep it silky, shiny, and tangle free.Brush your bundle / weave twice a day, starting at the tips.Wash your hair at least once a week.Never sleep with wet or damp hair.We recommend air drying your hair.Spray leave-in conditioner and brush gently. 3) What is Brazilian Virgin Human hair? Answer: 100% unprocessed hair Brazilian Virgin Human hair has not gone through any chemical treatment, nor been colored and is collected in one cut from a single donor. The hair is tied in a ponytail before the cut and a full head gives 3 bundles of hair.