Specialists often emphasize the importance of the skin’s natural oils. These oils help maintain hydration and act as a protective barrier against dryness and environmental irritants. When skin is washed too often—especially with hot water or strong soaps—this protective layer can be removed faster than the body can replace it. Over time, this may lead to dryness, tightness, flaking, or irritation after bathing.

Another factor dermatologists frequently mention is the skin’s natural microbiome.