Vertical sleep lines on the forehead: what to know

A pillow, sleeping position, or habitual brow movement can press or fold the skin overnight. If a mark fades after washing, moisturising, and moving your forehead, pressure is more likely to be contributing. A line that remains visible while your face is relaxed behaves more like a wrinkle. Sun exposure can weaken the skin's supportive structure, while dry skin can make surface creases look sharper. Vertical lines can also appear between the eyebrows rather than across the central forehead, so the exact position matters when discussing options.

Use a gentle cleanser and a fragrance-free moisturiser, and apply broad-spectrum sunscreen to exposed facial skin each day. Notice whether the lines are present only on waking or remain through the day. Try changing pillow position if pressure seems to trigger them, without forcing your neck into an uncomfortable posture. A dermatologist can assess whether movement, texture, pigmentation, or volume change is the main concern. Botulinum toxin injections may be discussed for movement-related lines; suitability depends on anatomy, expression patterns, medical history, and an experienced injector's assessment. Explore [Wrinkles](/symptoms/wrinkles/) and [Botox](/treatments/injectables/botulinum-toxin-injection/) for related information.

Arrange a skin assessment if a new mark is persistent, changing quickly, painful, itchy, scaly, bleeding, or associated with a rash. Seek prompt medical care for facial swelling, weakness, severe headache, or sudden neurological symptoms rather than treating the appearance as an ordinary sleep crease.

Ask whether the lines are mainly caused by sleep pressure, muscle movement, dryness, or sun-related change. You can also ask which treatment fits your facial anatomy, what temporary effects to expect, and how to protect the skin between appointments.