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Home / Fillers / Nasolabial Folds: What Are They, Causes, Benefits & Treatment Options

Nasolabial Folds: What Are They, Causes, Benefits & Treatment Options

a woman with nasolabial folds

Nasolabial folds, also called smile lines or laugh lines, are a natural feature of the face. These creases run from the nose’s sides to the mouth’s corners. While it’s a completely normal result of ageing, they may become more pronounced over time, making the face appear older.

Fortunately, gone are the days when you can’t do anything about deep nasolabial folds. Over the years, specialists in aesthetic medicine have made strides in uncovering solutions to reduce the appearance of deep laugh lines. Moreover, understanding their causes and the treatment options available to you can help you regain that youthful appearance.

This guide explores what nasolabial folds are, why they appear, the benefits of addressing them and the available treatments. By the time you reach the end of this blog, you’ll have all the information you need to decide which nasolabial fold treatment is right for you.

What Are Nasolabial Folds?

Nasolabial folds are the natural grooves that form on both sides of the nose and extend down toward the corners of the mouth. These folds are more than creases that appear when you smile or laugh. They’re a distinct feature of the face as we age. They are part of the facial anatomy and play a functional role in expressing emotions.

However, they can grow deeper and more noticeable with age. Smile lines aren’t considered a medical issue, though their depth and prominence may reflect the natural ageing process or specific lifestyle factors.

Nasolabial Folds

What Causes Nasolabial Folds?

Several factors contribute to the development or deepening of nasolabial folds. These include:

  • Ageing and collagen loss. Collagen, a protein that keeps skin firm and elastic, decreases over time. This leads to sagging skin and more noticeable folds around the nose and mouth.  
  • Facial expressions you frequently make. Smiling and laughing are only natural, but repetitive movements can deepen nasolabial folds as skin elasticity diminishes with age. 
  • Genetic predisposition. Genetics can determine how early or prominently nasolabial folds appear. Deep laugh lines run in some families more than others.  
  • Lifestyle factors. Certain habits like smoking, frequent sun exposure, poor hydration and inconsistent skincare can accelerate ageing and make nasolabial folds more visible.
Causes of Deep Nasolabial Folds Contributing Factors
Ageing Collagen breakdown, loss of elasticity
Expressions Smiling, laughing frequently
Genetics Family history
Lifestyle habits Smoking, sun exposure, dehydration

Benefits of Addressing Nasolabial Folds

Tackling deep nasolabial folds has both aesthetic and psychological benefits. Addressing these folds can:

  • Improve facial appearance and symmetry. Reduce the appearance of smile lines for a more youthful look.
  • Prevent laugh lines from becoming deeper while you’re still young. As they say, an ounce of prevention is always better than a pound of cure. That’s why doing something before the nasolabial folds become deeper helps maintain a more youthful look in the long term.
  • Enhance skin elasticity. Some treatments can also promote collagen production and improve overall skin quality.

Treatment Options for Nasolabial Folds

Various treatments are available to reduce the appearance of nasolabial folds. Dr Justin Boey, medical director of Sozo Clinic, specialises in helping patients like you understand the pros and cons of each option, helping you make an informed decision. 

Non-Invasive and Minimally Invasive Treatments

In Singapore, non-invasive and minimally invasive treatments for nasolabial folds are frequently sought for their efficacy and minimal downtime. Here’s an overview of the most popular methods:

  • Dermal fillers. Hyaluronic acid fillers plump the skin and reduce the appearance of nasolabial folds. The results of this nasolabial fold filler treatment are visible immediately.
  • Laser therapy. Laser treatments stimulate collagen production, gradually smoothing nasolabial folds over several sessions.
  • Chemical peels. By removing the outer layer of skin, chemical peels make way for new skin to emerge, lessening the depth of the folds.
Treatment Option Effectiveness Downtime Cost Range*
Dermal Fillers High High $600 – $1,000/syringe
Laser Therapy Moderate 1 – 3 days From $300/session
Chemical Peels Moderate 1 week From $300/basic treatment

*The prices mentioned here may vary based on how deep the smile lines are and the specific treatment plan you and the practitioner have agreed on. Additional charges may apply for consultations, follow-up sessions or supplementary procedures. For an accurate cost estimate, please book a consultation with Sozo Clinic.

Surgical Treatments

Surgical interventions such as facelifts may be an option for deeper or more severe nasolabial folds. This procedure tightens the skin by repositioning and tightening facial tissues to reduce the appearance of the folds. While surgical treatments require longer recovery, they often provide more permanent results.

Natural Remedies

Natural Remedies for Nasolabial Folds

For those who prefer a different approach, there are natural ways to address nasolabial folds. Here are some of them:

  • Facial massages. Regular facial massages help boost blood circulation, promoting a healthy glow and temporarily reducing the visibility of fine lines and creases. Tools like jade rollers or gua sha stones can enhance the effects of skincare products you use by encouraging lymphatic drainage and reducing puffiness. Incorporating a few minutes of facial massage into your routine can also help the skin absorb the products better.
  • Use natural oils. Almond, rosehip and argan oil are excellent natural options for hydrating and nourishing skin. These oils are rich in essential fatty acids, vitamins and antioxidants that help repair the skin’s barrier and improve elasticity. For best results, apply a few drops after cleansing and before moisturising. 
  • Lifestyle changes. A healthy lifestyle is vital for managing nasolabial folds and other skin concerns such as acne. Consuming a balanced diet that is rich in antioxidants, staying hydrated, and being consistent with your skincare routine can help maintain the skin’s elasticity and overall health. 
  • Wear sunscreen. Consistent use of sunscreen is one of the most important steps to maintain a youthful, healthy skin. Overexposure to harmful UV rays can cause not only premature ageing but also facial wrinkles and dark spots. When choosing a sunscreen, look for a broad-spectrum product with at least SPF 30. Reapply every two hours, especially if you’re outdoors.
  • Quality sleep. Sleep plays a key role in skin rejuvenation. During deep sleep, your body undergoes cellular repair, which includes skin regeneration. Aim for 7 to 9 hours of quality sleep each night, and consider using a silk pillowcase to reduce friction and prevent fine lines from forming.
  • Consistent skincare routine. Establishing a daily skincare routine that includes cleansing, exfoliating, moisturising and applying prescribed treatments can significantly improve skin texture and appearance. Incorporating products with active ingredients like retinol, hyaluronic acid and vitamin C can also target specific concerns like wrinkles, dryness and pigmentation.

However, it’s important to note that natural methods generally yield subtle effects and require consistent effort.

How to Prevent Nasolabial Folds

Wondering how to lower your chances of developing smile lines? Here are some tips to prevent or at least delay their appearance:

  • Stay hydrated. Drink plenty of water to keep the skin plump and elastic.
  • Eat a healthy diet. Consume antioxidant-rich foods that support skin health.
  • Quit smoking. Smoking accelerates ageing and weakens skin structure.
  • Practice facial exercises. Targeted exercises may prevent the formation of deep nasolabial folds by maintaining facial muscles and preventing them from sagging.

Risks and Side Effects of Nasolabial Folds Treatment

While treatments for reducing nasolabial folds are generally considered safe, it’s essential to be aware of their potential risks and side effects. 

Common Side Effects

  • Redness
  • Swelling
  • Temporary discomfort

Serious Risks

  • Infection (for surgical procedures)
  • Nerve damage (rare)
  • Overcorrection that leads to an unnatural appearance

When to Seek Professional Help

If laugh lines affect your confidence or over-the-counter remedies haven’t delivered the desired results, it may be time to explore a professional nasolabial fold treatment. Book an appointment with Sozo Clinic’s Dr Justin Boey to learn more about your treatment options.

Conclusion

Nasolabial folds are a natural part of facial anatomy, but you don’t have to settle for changes you’re unhappy with. From early preventative measures like sunscreen and hydration to professional treatments suited to your individual needs, there are solutions you can choose from to delay or reduce the appearance of smile lines.

By addressing nasolabial folds thoughtfully, you can balance ageing gracefully and maintain the confidence of looking your best. Whether you need acne treatments or want to address smile lines, Sozo Clinic can help you take the first step towards your goal.

Author

Medical Director

After graduating from the National University of Singapore, Dr Boey’s journey in aesthetics brought him to esteemed institutions such as Harvard Medical School, American Academy of Aesthetic Medicine and Queen Mary University of London in diverse cities like Seoul, London, Boston and New York.