I'm suddenly surprised by what I see in the mirror, so I'm writing this. Does anyone have any beauty tips?

Hello! Today, I took some time off work for the first time in a while and went out for brunch in Seongsu-dong with a friend. The weather was so nice that I felt good about the outing, but I was shocked when I took a selfie in front of the full-length mirror at a cafe. Under natural light, my skin looked much rougher than usual, and I noticed fine lines around my eyes. I'd definitely put in a lot of effort into my skincare and makeup this morning, but seeing my complexion look dull in just a few hours was disappointing. I've been feeling a lot drier lately, and my makeup doesn't seem to be sticking as well, so I'm wondering if I should change my basic skincare routine. That's why I'm writing this because I want to hear from you guys about your practical skincare tips. Do you have any special skincare tips for restoring the oil-water balance that tends to deteriorate with the changing seasons? I'm trying to use a sheet mask a day and drink plenty of water, but I desperately need detailed skincare tips from experts. Recommendations for good serums and sheet masks, as well as easy-to-follow routines, are all welcome. How do you all deal with seasonal skin concerns?