【Hair Material】The virgin hair is from one young single donor, not synthetic. How to tell the difference? Human hair will be ashes after burning and have a smell of burning feather; while synthetic hair will melt to a hard ball and have a chem smell. 【Hair Feature】Our hair is real unprocessed human hair, super soft and natural, no spilled. It is bouncy and silky. Free tangle and minimum shedding. It is a steam process not a chemical process, no lice & gray hair, and no bad smell. 【Restyle Freely