I've found that simplicity over complexity and focusing on hydration work best for me. Now in my mid-40s my skin continues to change. Some products in the list below I use currently, and others are products that have worked well for me in the past.
(The list below does NOT contain affiliate links. These are just things I love and like to use.)
Marie Veronique Balancing HypoTonic
Beauty of Joseon Rice Milk Toner
Experiment Barrier Support Serum
Sofie Pavitt Mandelic Clearing Serum
Dermalogica Liquid Peelfoliant
Musely Estriol Aging Repair Cream
Medik8 Liquid Peptides Advanced
Josh Rosebrook Hydrating Accelerator
Prequel Half & Half Liquid Moisturizer
Experiment Molecular Mesh Cream
Dieux Skin Mercy Recovery Cream
Dieux Instant Angel Moisturizer
Beauty of Joseon Dynasty Cream
Beauty of Joseon Dayscreen SPF
Shea Terra Egyptian Black Seed Oil
Vacation Classic Whip Sunscreen
Beauty of Joseon Aqua Fresh Sunscreen
Beauty of Joseon Day Dew Sunscreen
Innisfree Korean Sunscreen Stick
Isntree Hyaluronic Acid Sunscreen
Then I Met You Resurfacing Mask
Dr. Idriss Major Fade Flash Mask
Dr. Idriss Exfoliating Lip Treatment