question for J: are some castor oils bad for your hair?

Question for J from Eliss:Greetings!! This is Eliss, and I'm sending this email in hopes of attaining some information. I'm starting to use castor oil on my hair, but while doing my mini research, I've been noticing people saying there is a difference in castor oil and that some castor oils (the ones used as laxatives) aren't good for your hair; instead you should use other brands (i.e. Jamaican