chemicals [SEP] i had these locs in my hair for one day and my scalp was on fire i was not happy with how irritated my scalp was after putting this hair in it had a chemical smell which i thought with washing the hair before install would go away but didn t i was itching terribly and in consistent pain i am not happy with this hair and had to take it out to relieve myself i ve never had this happen with any other hair brand before