Hi. The most important thing you can do is listen to your skin.
I've posted another thread of my journey.
Think it's called broken skin barrier/tret.
I must add at this point that my broken skin barrier is entirely my fault. I didn't listen to my skin, so here's my two penny worth.
0.05% is quite a high strength to start on if you've never used it before.
Try and ask for 0.025% instead, to ease yourself in gently.
Cut out all other actives. So, a very gentle cleanser and a very basic, occlusive moisturiser. I use Epaderm.
Try and put a barrier around your lips and corners of eyes with Vaseline. Tret migrates and it will aggrevate those sensitive areas (as I learned).
Ease in gently, once or twice a week to start with.
You will probably purge and you may experience some stinging when you first apply it. This should subside within a couple of minutes. If you find you are applying Tret, letting it dry (30 mins), applying moisturiser and then your skin is stinging your skin barrier is being compromised.
It all sounds a lot to take in but as long as you're aware of how your skin is reacting you will be ok.
I used it for a year, moving from 0.025% to 0.05% and then 1%. I saw great results and was really happy with it. However, I ignored the warning signs and now my barrier is severely compromised and will take quite a while to go back to normal.
Hope this helps and I haven't put you off. As I say, it was entirely my fault for not listening to my skin.
So, good luck