As we age, our skincare routines should evolve just as our skin does. But many of us unknowingly hold on to habits and products that once worked in our 20s—without realizing that mature skin has completely different needs. If you’ve noticed your skin feeling drier, looser, or simply less radiant, yet your routine hasn’t changed much in years—this article is for you. How Skin Function Changes After 45 Around age 45, a combination of biological and hormonal shifts begins to affect skin performance. These changes include: