As we enter our late 30s and early 40s, skincare begins to be a little more important, even if it was something you have always been doing. During this time, it is not uncommon for some women to start to be worried or uncomfortable with the idea of visibly aging. Developing and sticking to a healthy skincare routine as you enter your 40s is about aging gracefully and keeping the largest organ on your body as healthy as you can. Acne subsides for most during this time as well, as do the pigment issues related to hormones. In your 40s, your biggest worries will likely revolve around dryness, dullness, and increasing lines. Around this age, you will experience hormonal changes. This is common and your levels of estrogen begin to decline, which affect the function of fibroblasts, which produce elastin and collagen, as well as melanocytes that keep the skin firm, smooth, and toned.