What Are Smoker’s Lines? Causes, Ageing and Lip Changes Explained

Smoker’s lines (perioral lines) are often treated like a simple skin issue, but clinically they can reflect changes in skin quality, lip support, and lower-face structure over time. That’s why management plans (and costs, downtime, and suitability) vary so widely between individuals.

At Absolute Cosmetic Medicine, perioral rejuvenation is approached as structured planning across layers and sections, supported by over 30 years of full-time clinical experience in cosmetic medicine, and a practice history that includes formal credentialing and day-hospital infrastructure for appropriate procedures. This article explains why smoker’s lines form, what influences their progression, and how clinicians assess the most suitable next steps.

Clinical leadership at Absolute Cosmetic Medicine

Dr Glenn Murray is the Medical Director of Absolute Cosmetic Medicine and has over 30 years of full-time clinical experience in cosmetic medicine. Absolute Cosmetic Medicine was the first clinic in Western Australia to achieve formal cosmetic credentialing and operates with licensed day-hospital infrastructure for appropriate procedures. Dr Murray has also completed MIT certifications in Artificial Intelligence and AI in Health, supporting a more structured, precision-based approach to assessment and treatment planning.

What Are Smoker’s Lines? (Perioral Lines)

Smoker’s lines (perioral lines) are distinctive vertical wrinkles that appear above the upper lip. Despite the name, these lines can develop in anyone, regardless of smoking history. They typically present as thin vertical lines extending from the lip border toward the nose and become more pronounced over time.

In dermatology, smoker’s lines are referred to using several terms:

• Perioral lines: “peri” means around, and “oral” refers to the mouth, describing wrinkles forming near the lips.
• Lip lines: a general term for vertical lines on and around the lips.
• Vertical lip lines: highlighting their upward orientation from the lip border.
• Lipstick lines: named because cosmetic products may settle into these creases.

These are classified as dynamic wrinkles, meaning they form partly due to repeated muscle movements, such as pursing the lips.

Do Smoker’s Lines Differ from Normal Lip Creases?

Smoker’s lines (perioral lines) are distinct from typical expression lines in several key ways, which help differentiate them from other wrinkles around the mouth:

• Orientation: Smoker’s lines run vertically from the lip border toward the nose, whereas smile lines (nasolabial folds) curve diagonally from the nose to the corners of the mouth. This vertical direction makes smoker’s lines more noticeable when the lips are pursed or during repetitive movements such as drinking through a straw or puckering.
• Formation Pattern: Unlike single, broad expression lines, smoker’s lines often appear as multiple fine, parallel creases above the upper lip. These lines may cluster closely together and gradually multiply over time, forming a series of vertical ridges rather than a singular fold.
• Depth and Appearance: Smoker’s lines tend to be sharper and more defined than general expression lines. Early stages present as subtle surface creases, but as the skin ages and elasticity decreases, these lines can deepen into more pronounced furrows. The texture often resembles narrow pleats, giving the upper lip a slightly puckered or corrugated appearance.
• Persistence: Expression lines, such as those formed from smiling or frowning, typically relax and become less visible when the facial muscles are at rest. In contrast, smoker’s lines can remain visible even when the face is relaxed. This persistence occurs because repeated movements over time, combined with thinning skin and structural changes in collagen and elastin, create permanent creases.

How Smoker’s Lines Develop Over Time

Smoker’s lines (perioral lines) usually develop gradually rather than appearing suddenly. The speed and severity of their progression varies between individuals and is influenced by a number of factors.

The skin around the mouth is among the thinnest on the face, making it particularly susceptible to wrinkle formation. This thin dermal layer, combined with repetitive movements of the lips and the gradual loss of collagen and elastin, contributes to the development and deepening of these vertical lines. Over time, these factors interact to create the distinctive appearance of smoker’s lines, which are more noticeable and resistant to natural relaxation compared with typical facial creases.

Early Signs vs. Advanced Lines

In the early stages, smoker’s lines often appear as faint vertical creases that become noticeable when the lips are pursed or during certain facial expressions. At this point, the changes are largely superficial and limited to the outermost layer of the skin. When the face is relaxed, these lines may soften or disappear entirely.

As time progresses, repeated muscle movement combined with declining collagen and elastin levels can cause these lines to become more established. Advanced smoker’s lines remain visible even when the face is at rest. The creases deepen and extend into the dermis, the skin’s second layer, where structural support is reduced. Loss of elasticity and firmness means the skin is less able to bounce back, making the lines more noticeable during speech, smiling, or other expressions.

Timeline of Development

For non-smokers, perioral lines generally develop slowly as part of the natural ageing process. Subtle changes may begin in the mid-30s to early 40s, with lines becoming more apparent between the ages of 45 and 50. Consistent sun protection, moisturisation, and overall skin care can help slow this progression, sometimes delaying more visible changes until later decades.

In individuals who smoke, smoker’s lines may appear earlier and progress more quickly. In some cases, early changes can be seen in early adulthood. Smoking contributes to reduced collagen production, impaired circulation to the skin, and repetitive lip movements, all of which accelerate the breakdown of skin structure. As a result, changes that may take many years to develop in non-smokers can occur over a shorter period.

Visual Changes Over Time

As smoker’s lines progress, they tend to change in several noticeable ways:

• Depth: Fine surface creases gradually deepen, becoming more defined and sometimes casting subtle shadows above the upper lip.
• Number: What may begin as a small number of faint lines can increase into multiple parallel creases extending upward from the lip border.
• Width and spread: Individual lines may broaden over time, and the affected area can extend beyond the immediate lip border, with surrounding skin developing a slightly textured or puckered appearance.

Why Smoker’s Lines Aren’t Just a “Lip Problem”

Perioral lines can reflect a combination of:

• Surface change (texture, sun damage, collagen decline)
  • For surface texture and fine vertical lines, clinicians may discuss resurfacing options. At Absolute Cosmetic Medicine, this can include erbium laser resurfacing where clinically appropriate, as part of a broader plan rather than a stand-alone promise.
• Repetitive movement (orbicularis oris activity)
• Structural change (lip support and surrounding tissue support over time)

That’s why clinical assessment often looks beyond the lines themselves and considers the relationship between the mid-face, the upper lip region, and skin quality. In practice, the most suitable approach may involve staged management that addresses structure first, then surface, rather than focusing on a single quick fix.

Common Causes of Smoker’s Lines

Often, smoker’s lines do not develop from a single cause. Instead, they result from a combination of biological ageing, lifestyle habits, repetitive muscle movement, and environmental exposure. The skin around the mouth is particularly prone to change because it is thinner, more mobile, and subject to constant movement throughout the day.

Smoking and Its Effect on Skin

Tobacco smoke containsthousands of chemicals that negatively affect skin health. These substances contribute to thebreakdown of collagen and elastin, which are essential proteins responsible for maintaining skin structure, firmness, and elasticity. As these proteins decline, the skin becomes less resilient and more prone to wrinkling.

Smoking also restricts blood flow to the skin, reducing the delivery of oxygen and nutrients needed for normal skin repair and renewal. Over time, this accelerates visible ageing and increases the likelihood of early wrinkle formation around the mouth.

In addition to its chemical effects, smoking involves repetitive lip puckering. This repeated muscle action, often performed hundreds of times a day over many years, places ongoing stress on the delicate skin above the upper lip. As the skin’s ability to recover diminishes with age, these repeated movements can contribute to the formation of permanent vertical lines.

Ageing and Natural Skin Changes

Ageing plays a significant role in the development of smoker’s lines, even in people who have never smoked. From early adulthood, the body gradually produces less collagen and elastin, leading to reduced skin strength and flexibility over time.

The dermis, which is the skin’s supportive middle layer, becomes thinner with age, particularly in areas such as the upper lip. This loss of underlying support allows vertical lines to become more visible and more easily established. As the skin loses firmness, it is less able to return to its original shape after movement, making repeated creasing more likely to persist.

Sun Damage

Ultraviolet (UV) exposure is a major contributor to premature skin ageing. UV radiation breaks down collagen fibres and promotes oxidative stress within the skin, accelerating the formation of fine lines and wrinkles.

The area around the mouth is often overlooked during sun protection routines, leaving it vulnerable to cumulative sun damage. Over time, this exposure weakens the skin’s structural framework, increasing the likelihood that vertical lip lines will form and deepen.

Genetics and Skin Type

Genetic factors influence how quickly smoker’s lines develop and how noticeable they become. Some individuals are genetically predisposed to thinner skin, lower collagen reserves, or earlier loss of skin elasticity, particularly around the mouth.

Skin type also plays a role. People with lighter skin tones may show signs of ageing earlier due to lower natural protection against UV exposure, while those with thicker or more resilient skin may experience a slower progression. However, genetics alone do not determine outcomes and often interact with lifestyle and environmental factors.

Repetitive Facial Movements

Smoker’s lines are classified as dynamic wrinkles, meaning they are partly caused by repeated muscle activity. While smoking is a well-known contributor, other everyday habits can place similar stress on the skin around the mouth, including:

• Drinking through straws
• Frequent lip pursing or tightening
• Facial expressions such as whistling or pouting

When these movements are repeated consistently over many years, the skin gradually adapts to the motion. As collagen and elastin levels decline, the skin becomes less able to smooth itself out, allowing vertical lines to become more defined and persistent.

Prevention and Minimisation Tips

While lip lines are a common and often progressive concern, certain lifestyle and skincare measures may help slow their development and reduce their visibility over time. Early intervention and consistent habits are particularly important due to the thickness of the skin around the mouth and its susceptibility to structural change.

Avoiding Smoking and Tobacco Exposure

Reducing or eliminating tobacco exposure is one of the most important steps in minimising further skin damage around the mouth. Tobacco smoke contains substances that interfere with the skin’s natural repair processes and contribute to the breakdown of collagen and elastin. It also limits blood flow, reducing oxygen and nutrient delivery to the skin.

Avoiding second-hand smoke is also recommended, as environmental exposure can have similar effects on skin quality. Individuals considering lifestyle changes may benefit from discussing support options with a healthcare professional to determine an approach that aligns with their personal health needs.

Daily Skincare: Moisture, Hydration, and Sun Protection

Consistent skincare plays a key role in maintaining skin integrity around the lips:

• Sun protection: Daily use of broad-spectrum sun protection is essential, even during cooler months. The area above the upper lip is frequently missed and should be included as part of routine sun care.
• Moisturising: Regular use of lip balms and moisturisers helps maintain the skin barrier and reduce dryness, which can make lines more noticeable. Ingredients that support barrier function and hydration may assist in maintaining skin softness and flexibility.
• Hydrating formulations: Products designed to attract and retain moisture can help keep the skin supple throughout the day, particularly in dry or air-conditioned environments.

While skincare cannot reverse established structural changes, it can support skin health and reduce the appearance of fine lines over time.

Lifestyle Habits

Skin health is closely linked to overall health. Several general lifestyle factors may influence how smoker’s lines develop:

• Hydration: Adequate water intake supports normal skin function and helps reduce dryness.
• Nutrition: A balanced diet containing essential nutrients, including those involved in skin structure and repair, supports long-term skin health.
• Sleep: Quality sleep allows the body to carry out normal repair and regeneration processes.
• Alcohol and caffeine intake: Excessive consumption may contribute to dehydration, which can make fine lines more visible.
• Weight stability: Significant or repeated weight fluctuations can affect skin firmness over time.

When to See a Professional & the Importance of An Assessment

Seeking professional advice is an important step when concerns about smoker’s lines become persistent. If vertical lip lines remain visible at rest, continue to deepen over time, or do not respond to consistent skincare and lifestyle measures, anassessment with a qualified medical practitioner may be appropriate.

This allows a clinician to take a comprehensive view of your skin and facial structure rather than focusing on the lines in isolation. During this process, your practitioner will assess the condition of the skin around the mouth, discuss contributing factors, and explore your concerns and expectations.

This individualised approach is essential, as management options should be tailored to your facial anatomy, skin quality, lifestyle, and long-term goals. What may be suitable for one person may not be appropriate for another, which is why professional guidance is critical.

A professional assessment typically includes:

• An assessment of the severity and pattern of the lip lines
• A discussion about contributing factors such as ageing, lifestyle, and skin health
• An explanation of suitable management approaches based on your individual needs
• Clear information about expected outcomes, limitations, and potential risks

Informed Consent and Ongoing Care

Qualified practitioners place strong emphasis on informed consent. This includes clear explanations of any proposed approach, possible side effects, and aftercare requirements. You may also receive guidance on skincare, sun protection, and follow-up planning to support skin health over time.

Ongoing support is an important part of professional care. Patients should feel comfortable seeking advice or clarification after their initial appointment if questions or concerns arise.

At Absolute Cosmetic, assessments and consultations are designed to provide evidence-based guidance focused on skin health, safety, and individual goals which allows patients to make informed decisions about managing smoker’s lines with professional support.

Clinical setting and safety (when procedures are more involved)

Many perioral concerns can be assessed and managed in a standard clinical setting. Where a management plan includes more complex procedural components, Absolute Cosmetic Medicine has licensed day-hospital infrastructure and appropriate monitoring pathways to support patient safety and comfort.

Conclusion

Smoker’s lines are common and often progressive with time, affecting both smokers and non-smokers alike. While certain factors can accelerate their development, understanding how and why these vertical lip lines form allows for intervention and more informed prevention strategies.

Consistent sun protection, adequate hydration, and a well-maintained skincare routine play an important role in supporting skin health and slowing the progression of perioral lines. Reducing repetitive lip movements and avoiding tobacco exposure can further minimise ongoing damage. While these measures cannot completely prevent smoker’s lines, they may help reduce their visibility and delay their progression.

When lifestyle and skincare approaches are no longer sufficient, seeking advice from a qualified medical practitioner can provide clarity on appropriate next steps. Professional consultation ensures that individual skin characteristics, contributing factors, and personal goals are carefully assessed before any management options are discussed.

[Book An Assessment]

* Dr. Glenn Murray (MED0001196978) (AHPRA Registration MED0001196978) Registered Medical Practitioner, Specialist General Practitioner (specialist registration in general practice). General disclaimer: Patient outcomes can vary due to factors such as genetics, diet, age, exercise, lifestyle, weight, and overall health. It’s essential to understand that all treatments come with inherent risks and may require a recovery period and specific care regimen. Detailed information regarding risks and complications is availablehere, but it is advisable to conduct thorough research and obtain a second opinion to ensure you are able to make an informed decision. Please note that the information provided is general in nature and does not constitute medical advice or establish a doctor-patient relationship. 

Frequently Asked Questions

What are smoker’s lines?
Smoker’s lines are vertical wrinkles that develop above the upper lip. They are also known as perioral or vertical lip lines and can occur in both smokers and non-smokers.

Can non-smokers develop smoker’s lines?
Yes. While smoking can accelerate their development, smoker’s lines can form due to natural ageing, sun exposure, repetitive facial movements, and genetic factors.

At what age do smoker’s lines usually appear?
Fine perioral lines can begin to appear in the 20s or 30s, particularly in individuals with sun-damaged or thinner skin. For many people, they become more noticeable from the 40s onwards.

Why does the skin around the mouth wrinkle more easily?
The skin around the mouth is thinner and more mobile than other areas of the face. It is also involved in frequent movements such as speaking and eating, making it more prone to creasing as structural support decreases with age.

Does smoking make smoker’s lines worse?
Smoking is associated with reduced collagen production, impaired circulation, and repetitive lip movements, all of which can contribute to earlier and more pronounced vertical lip lines.

Can sun exposure affect smoker’s lines?
Yes. Ultraviolet (UV) exposure accelerates skin ageing by breaking down collagen and elastin, which can worsen the appearance of fine lines around the mouth over time.

Are smoker’s lines permanent?
In early stages, smoker’s lines may appear only during facial movement and may soften when the face is at rest. As the skin continues to age and lose elasticity, these lines can become more persistent.

Can skincare help prevent or reduce smoker’s lines?
Consistent sun protection, moisturising, and maintaining skin hydration may help support skin health and slow the progression of fine lines. Skincare alone cannot reverse established structural changes.

When should I consider seeing a professional about smoker’s lines?
Professional advice may be helpful if smoker’s lines remain visible at rest, continue to deepen, or do not improve with lifestyle and skincare measures.

What happens during a professional consultation?
A consultation typically involves an assessment of skin condition, discussion of contributing factors, and an explanation of suitable management options based on individual needs. Risks, limitations, and aftercare considerations should also be discussed.

Can lifestyle changes make a difference?
Yes. Avoiding tobacco exposure, protecting the skin from sun damage, staying hydrated, maintaining a balanced diet, and getting adequate sleep all support overall skin health.

Are treatment options the same for everyone?
No. Management approaches depend on individual factors such as skin quality, age, facial anatomy, and personal goals. This is why professional assessment is important.