Think of your skin-care routine as consisting of three main steps: Cleansing — Washing your face. Toning — Balancing the skin. Moisturizing — Hydrating and softening the skin.Good skin care is essential at any age and healthy habits in your 20s and 30s can strengthen and prepare your skin for the effects of aging down the road. Skin has strong collagen and elastic production in your 20s and 30s.