Not specified

they will not harm the hair follicles

2) Should I re-use heat protectant on my human hair bundle

1) Should I wash my human hair bundles before installing

B & B Express 100% Brazilian Human Hair Bundle Multipack + 4x4 Lace Closure - Straight Length:10"-12"-14" Not specifiedB & B Express Multipack w 4x4 Lace Closure Straight 100% Brazilian Human Hair Perm, Bleach, Dye One Pack is Enough FAQ's: 1) Are closures good for hair? Answer: Among the hair extensions in the market, the closures or top pieces are best suited for women recovering from a type of hair loss or a period of continuous styling. Most preferred in lace material, this hair extension not only provides you added volume and length, but also keeps your natural