What should you know about static lines on the forehead?

Forehead muscles lift the brows and create expression lines. With repeated movement, a crease that once appeared only during expression may remain when the face relaxes. Sun exposure, dryness, smoking, and the gradual loss of skin elasticity can make the line more noticeable. The depth and pattern vary between people.

A static line is usually a cosmetic skin change rather than a sign of illness. A sudden new indentation, weakness, numbness, facial drooping, or a severe headache is different and needs medical assessment rather than cosmetic treatment.

Use broad-spectrum sunscreen, wear shade or a hat, moisturise consistently, and avoid smoking. These habits help limit further sun-related change and support the skin barrier, although they cannot erase an established crease. A clinician can assess whether the line is mainly movement-related, etched into the skin, or influenced by volume loss.

Botulinum toxin injections can reduce the action of selected forehead muscles when performed by a qualified medical professional. They require careful planning because excessive weakening can affect brow position or expression. A consultation should cover facial movement, previous procedures, medical history, and realistic limits. Read about [Botox](/treatments/injectables/botulinum-toxin-injection/) and [Wrinkles](/symptoms/wrinkles/).

Seek urgent care for sudden facial drooping, trouble speaking, new weakness, severe headache, confusion, or vision changes. Arrange a routine medical review if a line is accompanied by a changing lump, persistent rash, pain, or skin breakdown. Cosmetic treatment should wait until an unexpected change has been assessed.

Ask which muscles contribute to the line, what result is realistic for your facial movement, how brow position may change, and what temporary effects can occur. Ask who will perform the injection and what follow-up is available if the result feels uneven.