Poor customer service

I was at the Discount Fashion store Centurion Mall. I took a white zip top to try on. The floor attendant came to tell me I am not allowed to try the top on since it is a white color. As my make up will smudge the top. I suggested she then give me the same top in a black to try it on, instead she tells me to go home try the top on and bring it back if it doesn't fit. Does it make sense to tell me I cannot try the top on in store but to tell me to purchase it and take it home to try it on, what is the difference in that ? I live far from the mall I cannot drive up and down.