ForumsAcne and its treatm...Prescription acne m...For how long should... Notifications Clear all For how long should I wait to see improvements on accutane?noysay MemberMember7(@noysay) Posted : 12/29/2015 3:41 pm I've been on accutane for 41 days now, and I'm starting to see a few improvements. Actually a lot. I only have one pimple left, black heads are gone....but the question is about the red marks. When will they fade? Quote May 2016 MemberMember1(@may2016) Posted : 12/30/2015 10:16 am Hi. Till when did your ib last really? Quotenoysay, noysay and noysay reactednoysay MemberMember7(@noysay) Posted : 12/30/2015 11:21 pm I only had one breakout and it lasted for 4 days. Quote