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Forehead Lines: Causes and treatment

Forehead lines, also known as wrinkles or furrows, are the creases that appear on the forehead as a result of ageing, repeated facial expressions, and sun damage. 

Forehead lines: what you need to know

Forehead lines, vertical furrows across the forehead, are caused by the frontalis muscle. These lines are most commonly seen as horizontal lines that run across the forehead, but can also include vertical lines between the eyebrows, known as frown lines.

Forehead lines can give a person an aged or tired appearance, and can be a source of self-consciousness for some. While they are a natural part of the ageing process, there are various treatments available to help reduce the appearance of forehead lines, including dermal fillers, Botox injections and topical creams.

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Forehead lines: causes

Over time, the effects of aging become apparent on our skin, particularly on the forehead. Several factors contribute to the formation of forehead lines, and understanding them can help us take proactive measures for healthier skin. Here are the key factors:

  • Genetics
    Our genetic makeup influences the likelihood of developing wrinkles, furrows, and the skin's ability to repair itself. Certain individuals are naturally more susceptible to facial lines, including those on the forehead. Understanding this genetic impact empowers us to customise our treatment and approaches to effectively manage and minimise the visibility of these lines.
  • Natural ageing process
    As we age, our skin experiences a decline in collagen and elastin, essential proteins responsible for maintaining skin's firmness and elasticity. The gradual breakdown of these proteins results in sagging skin and reduces its ability to recover from facial expressions, leading to the formation of furrows and lines on the forehead.
  • UV Exposure
    Excessive exposure to the sun's harmful rays accelerates the aging process by breaking down collagen. This premature breakdown not only harms the skin's health but also contributes to an aged appearance, including the development of forehead lines.
  • Repetitive facial expressions
    Recurrent and forceful movements of the brow, often associated with expressing emotions such as surprise or shock, can have a lasting impact on the skin. The repetition of these expressions can cause lines to form on the forehead and become more pronounced over time.
  • Smoking
    Cigarette smoke contains harmful chemicals that diminish the blood flow to the skin's surface, impeding the delivery of vital nutrients. This deprivation of nutrients can lead to dryness, discolouration, and increased susceptibility to wrinkles, including forehead lines.
  • Diet
    A diet high in simple sugars can contribute to the loss of skin elasticity. The consumption of such sugars leads to a process called glycation, which can damage collagen and elastin fibers. As a result, deep lines may appear on the forehead.

By recognising these factors, we can make informed choices to lessen the development of forehead lines and maintain healthier, more youthful-looking skin.

To reduce forehead wrinkles and lines with a treatment, our team of specialists at our London clinic are highly experienced in performing Botox and dermal filler injections. During your no obligation consultation, a PHI clinic medical specialist will advise the best treatment for you. 

Safe and effective treatment

Your safety is our top priority and making our patients feel welcomed and reassured when entering PHI Clinic. To ensure maximum standard of patient care, all of our treatments are only ever carried out by our experienced and highly qualified team, who receive regular in-house and external training from industry experts. 

At PHI Clinic we do not offer same day treatment as initial consultation to ensure patients have time to reflect on their bespoke treatment plan before choosing to proceed. 

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Forehead lines frequently asked questions


PHI Clinic
102 Harley Street,
W1G 7JB,
United Kingdom

Tel: +44 7883 317963

Opening Hours

Monday & Tuesday - 9:30am to 6:00pm
Wednesday & Thursday - 9:30am to 8:00pm
Friday - 9:30am to 5:30pm
Saturday & Sunday - Closed

Opening times can change, if your appointment is outside of these times please contact the clinic for confirmation.