I dyed the and closure and left it overnight, and washed it out the next morning, the human hair wigs dyed well and the was still black. So when I added developer, I left the human hair extensions to sit for 6 hours and washed it out. This was great but please if you guys could please get the same from the bundles down to the closure human hair will be awesome. I will definitely be ordering this again but next time I will just make sure I let the human hair wigs uk for hair bundles uk. Our Romance Curl Silk Top Glueless brazilian hair uk and great for wearing your curly.