
Too much sunscreen?
I heard people say I only need about a fingertip of sunscreen for tret. Is this too much?

I heard people say I only need about a fingertip of sunscreen for tret. Is this too much?
So I’ve been on tret 0.025 for around 2-3 weeks and I started feeling a burning sensation when I put my OLD moisturizer on. I posted about it and I heard it could be my moisturizer, which contains niacinamide. So I stopped tret to let my skin barrier heal and just using pimple patches and aggressively moisturizing. Any tips? Additions?
I’m 16 at 5’5, I’m pretty sure I’m a late bloomer because my growth spurt started a few months after my 16th birthday and I’m starting to a slight mustache and have lots of armpit hair. I’m scared to take any hormone secretagogues because I heard it can cause your growth plates to fuse!! Obviously I know about it causing high blood sugar and insulin sensitivity but I know how to monitor and keep track of that. I mainly want to hear peoples experiences, and if anyone had their growth plates fused?? Sadly I’m out of town for the rest of the month so I won’t be able to get a xray any time soon.
I’m 16 and I was prescribed tret 0.025 by my doctor a couple months back but I just not got consistent less then a month ago. I’m starting to purge bad and I heard that AA can be a great addition. But I’ve also noticed when I put on moisturizer after the tret I feel a slight sting/burning sensation. I asked Gemini and they said I should go off Tret wait for my barrier to heal but I want my acne to gooooo. Please help. Also my skin is dry/ combination skin I don’t really have oily skin.
Routine
Am-
Cerve daily factual cleanse FF
Pat dry
Neutrogena daily ultra gentle moisturizer
Pm-
Wash
Pat dry
Sandwich method (moisturizer, wait 15, tret, wait 5, moisturizer again)
Yes I know I need sun screen and need better face wash. I also use pimple patches but they don’t seem to do much.