Should i cuss the manager out if they give me horse weave?

i went to go to my fave weave store its where i always get my weave. so i usually order da weave and its real cheap cuz its used weave by people nd u can just bring yuhh weave in nd sell it nd make a profit for it. so i go dere and i usually buy some weave for like a dollar or two nd i like duh curly ones cuz they r nice for mii hare. i thought they had 100 percent human hair cus i dont like horse hair it have somethin in it im allergic to so i cant wear dat nd the lady told me dat it was all human so i said okay come to find it i found live crawlin up in dat mess nd its horse so do you think i should cuss dem out? if you need a pic i got one