I've been worried about my skin becoming more flaky lately. Do you have any tips on how to manage it?

Yesterday, after working overtime, I came home to wash my face and looked in the mirror, but my reflection under the fluorescent lights felt strangely unfamiliar. I used to be able to quickly recover from a full night's sleep, but now I'm getting to the age where I can clearly feel the wrinkles around my eyes and my skin's elasticity deteriorating. Perhaps it's the changing seasons, but even with generous amounts of moisturizing cream, my skin feels tight, which is frustrating. I envy my friends, who all seem to have their own skincare secrets. I've finally started using face masks and researching essences, but finding the right skincare routine for my skin type is harder than I thought. I'm also wary of over-nutritional products, which might actually cause breakouts. Could you share some of your own special skincare tips for maintaining healthy skin? Even small habits are welcome, so I'd appreciate your advice. I'm really curious to know how you all regain your vitality.