Do people use hair to do black magic?

yes. people use hair,nails,all your belonging,books, clothes, and even sperm to do black magic .if you had sex with a girl ,and this girl wants you to marry her -because you rich or if she just want to get married to you- she used your sperm to make you love her . but there is professional to remove black magic . in Morocco and Egypt and most of undeveloped countries .where people depend on old age ways of making a living.

solution . don't give your belongings to anyone you think may do such things to you. if you have faith .black magic will not affect you.