Forehead lines: why they form and how they can be softened

Horizontal lines across the forehead are one of the most common concerns people bring to a consultation. For some they appear in their late twenties. For others they creep in later. Either way they can make you look more tired or surprised than you feel.

Why forehead lines form

The main muscle in the forehead is called the frontalis. It runs vertically from the brows up into the hairline. Its job is to lift your eyebrows.

Every time you raise your brows the skin of the forehead bunches up into horizontal folds. We do this far more than we realise. It happens when we talk, when we are surprised and even when we try to open our eyes wider because we are tired.

When we are young the skin bounces back easily. With time, collagen and elastin levels drop and the skin becomes thinner. The folds start to stay put and become lines you can see even when your face is relaxed.

Other things that play a part

• Genetics and natural face shape
• Sun exposure, which breaks down collagen
• Smoking
• Heavy upper eyelids, which can make people lift their brows without noticing
• Very expressive habits

How anti-wrinkle treatment can help

Anti-wrinkle injections relax the frontalis muscle so it lifts less strongly. With less movement, the skin creases less. Lines look softer when you move and often smoother at rest as well.

Deeper lines that are etched in at rest may not disappear completely after one treatment. They often improve gradually with repeated treatments over time, alongside good skincare and daily sun protection.

Why the forehead needs a careful approach

The forehead is the only muscle that lifts the brows. If it is relaxed too much, the brows can feel heavy or sit a little lower. The same can happen if it is treated on its own without looking at the muscles that pull the brows down.

For this reason, many practitioners treat the forehead together with the frown area between the brows. This keeps the balance between the muscles that lift and the muscles that lower. Your consultation will look at how your brows move and sit before a plan is made.

A good forehead treatment should still allow some natural movement. The aim is softer lines and a fresher look rather than a completely still forehead.

What to expect from results

Changes usually start after two to five days and settle at around two weeks. Results typically last around three to four months for most people. A free review appointment around two weeks after treatment is included so your result can be checked.

Possible side effects include mild redness, small bruises and a temporary headache. Less commonly, a heavy feeling or a slight brow droop can happen. These effects are temporary and wear off as the treatment does.

Is it right for you

Suitability is always decided at a face-to-face consultation with a prescriber. Some people with very heavy brows or hooded eyelids may be advised that forehead treatment is not the best option. Honest advice matters more than treating every line.

If your forehead lines have been on your mind, Lucy would be happy to chat them through at a free 15-minute consultation in Addlestone.