I dont use retinol everyday since I'm quite young but I use a small amount like once in 3 weeks, but can I mix retinol with the below listed bha gel?

Retinol with bha

Hey guy, this isn't a product related question but which laser treatment works the best and longest? I.e diode laser, micro laser etc...

Which laser treatment is the best

If I use a physical exfoliating on Tuesdays and a chemical exfoliating on Friday nights, is that okay?

Uhm hey people, I was wondering if I could mix vitamin c serum and naicinamide serum in one routine, like every morning?

AFTER I USE THE ORDINARY CHEMICAL PEEL, CAN I USE A BHA GEL?