Did you have to gradually increase dosage?

I want to keep my dose low to prevent side effects. I definitely want a lower starting dose. 30mg twice a day is 1mg per kg of my weight per day. The lowest recommended for my weight of 59kg/130lbs is half of that. My acne is only moderate, but resistant to other treatments.

Can my starting dose be my maximum dose for the whole course? Or do I have to gradually increase it?
Will ask the doc on Monday, but what has worked for you?

(FDA dose chart www.rxlist.com/accutane-drug.htm)