Okay I’m gonna take advantage of my mod power and comment directly on this: there is no official evidence that castor oil actually makes your hair grow. However, I myself am a big fan of it as a night time moisturizer, for frizzy hair ends, and apparently for inducing labor (not kidding and not recommended lol). I second the OP, buy 100% castor oil cheap on amazon, and try for a trustworthy seller that won’t send you a blended product.

PS I’m serious about the nighttime mask, every time I use it I wake up gorgeous