Peels Journey - How to start

So I am 29M Asian Skin with acne since I was 15ish. 3 courses of accutane didnt sort my acne so my derm resorted to maintainence dose of 10mg twice a week to keep my acen controlled for 3 years and said the only way I can be cured is growing out of the acne-age which again differs from person to person

However my actual concer is the scars. I have moderate acne scarring mostly of cheeks. Have done 5 microneedling session (2 professional, 3 at home) most 1.5-2mm with minimal improvements. The ones done at office were also done with subcision and prp.

Currently I apply tretinoin 0.1 every night and take isotretinoin twice a week and microneedling every month 1.75-2mm with all the pre and after care. I wanted to add peels to my routine. So i got tca 13% from platinum skin care. However, I have never applied peels to my skin and mostly my peeling is coz of tretinoin.

My skin is pretty tough and I didnt have much doesntime with microneedling. Is it okay to directly apply 1 layer of TCA 13% to start with? I have seen ppl recommending starting off with diff peels before starting the tca journey.

Finally my question, for a person who never applied peels, what are the peels with percentages that I should start before I do 13% tca? If you dont mind I want to have an organized list of “Acid Used - % - interval “

Thanks in advance.