sadie cynthia
New member
Hi there
I am an fairly new user of tretinoion. I have started off with 0.5 percent.The problem is I have got some hyperpigmentation caused by the retinol burn.. which is lingering on for 3-4 months now. They have become black patches.. any thoughts on what to do?
I am an fairly new user of tretinoion. I have started off with 0.5 percent.The problem is I have got some hyperpigmentation caused by the retinol burn.. which is lingering on for 3-4 months now. They have become black patches.. any thoughts on what to do?