All brands of Isotretinoin are very similar, except for Absorica, which is a newer branded version of Isotretinoin. According to studies it has a better absorbency rate, especially when it's taken with lower fat foods than other brands of Isotretinoin. All brands have the same side effects though, most of which consist of dryness and skin irritation.
"This answer has been solicited without seeing this patient and cannot be held as true medical advice, but only opinion. Seek in-person treatment with a trained medical professional for appropriate care."