YES, the human hair wigs can actually be dyed. If the wig is colored already, you can dye the hair into darker color. If the wig is natural black color, you can dye it into 30# or 27# color. The process to dye hair is easy but it has to be performed by someone who has knowledge and experience in this field. Or the human hair can be damaged easily. There are some things to remember before dying your wigs:Firstly do a strand test to check whether the dying works on the hair and it can handle the coloring process. It is advised by the experts not to dye the non-Remy hair wigs as it can result is damaging the wig as these wigs are weak to be dyed.Strong chemicals can damage your natural hair resulting in losing the hair shine and quality. If your hair’s non-Remy, you better not dye and keep it as it is. If you got the Remy hair wigs you can change its color anytime you want instantly.