Before bed. Putting on a little lip balm before you go to bed will go a long way toward preventing your lips from drying out as you sleep. This is also important since most people breathe through their mouths when they sleep, which has a natural drying effect on the lips.

Applying chapstick or a lip balm before bed is a vital 2026 skincare habit because the lips are one of the few areas of the body that lack oil glands. During sleep, the body’s internal temperature rises slightly, and the surrounding air—especially in climate-controlled bedrooms with heaters or AC—can lead to rapid moisture evaporation from the delicate skin of the lips. By applying a thick layer of balm before sleep, you create an occlusive barrier that seals in existing moisture and prevents "trans-epidermal water loss." Furthermore, night is when the body goes into "repair mode," and many 2026 lip masks contain active ingredients like hyaluronic acid, vitamin E, or ceramides that penetrate deeper while you rest. Waking up with hydrated lips also makes the application of morning lipsticks or tints much smoother, preventing the "cracked" look that occurs when pigments settle into dry flakes. It is essentially a 7-hour deep-conditioning treatment for your smile.