What causes smile lines, and how to stop them?

What causes smile lines, and how to stop them?
Dr. Thajudheen MD
Feb 08, 2023 | Skin care

What Causes Smile Lines and How to Stop Them
Appearing smile lines, or nasolabial folds, usually referred to as laugh lines, are wrinkles that first develop around the sides of the mouth.

Smile lines may also occur around the eyes, noticeable after your smile.

As you age, these forms of wrinkles are also inevitable. However, you have got several choices that will help reduce wrinkles.

What causes smile lines?

It’s a natural result of ageing and the repeated movement of facial muscles when smiling. Over time, the skin loses elasticity, and the folds become more noticeable.

Sun exposure, genetics, and lifestyle factors such as smoking can also contribute to the development of these lines.

The primary causes of smile lines include:

A loss of physical property (collagen)
Dehydrated skin
Sun damage

What are the best treatments available?

When it involves smile lines, there are various treatment choices accessible. Whether you’re trying to find surgical alternatives or different cosmetic procedures, it’s best to speak with a dermatologist or a cosmetic surgeon who’s experienced in treating wrinkles.

There also are some over-the-counter (OTC) choices, though these aren’t as permanent. You’ll need to debate the subsequent wrinkle treatment choices together with your doctor:

1. Dermal fillers:

Injectable fillers can be used to plump up the skin and smooth out lines.

These filters are among the highest selections for individuals trying to remove smile lines while not undergoing surgery. It’s made up of mucopolysaccharides, which will be injected at the crease that moves from your mouth to your nose.

The effects are visible at once. However, you’ll even have them reversed if you don’t like the results. Some common complete names embrace JuvĂ©derm and Restylane, and the results usually last many months.

However, it’s thought that once perennial injections, some connective tissue is also left behind, which causes an additional permanent filler impact.

Other fillers like Radiesse, which is formed of the metallic element hydroxyapatite, and Sculptra, composed of poly-L-lactic acid, might supply additional permanent results and may be injected deeper within the facial tissues.

These injectable fillers last from a half-dozen to twelve months at a time. Aspect effects will occur after the initial injection and embrace headaches and allergic-like reactions.

2. Botox:

Botulinum toxin injections can relax the muscles that cause the lines to form, temporarily reducing their appearance.

These (Botox, Dysport, and Xeomin) are injectable fillers, though they work otherwise. Your skin doctor injects the substance with a tiny low needle into the realm of concern.

The substances weaken the muscles within the given space, making lines and wrinkles less visible and working well for the smile lines around the eyes. However, it isn’t effective for lines around the sides of the mouth, and you’ll see results on some days of the initial injection.

Botox injections are also by a dermatologist, eye doctor, or surgeon. Recovery time is comparatively short, and you must be ready to resume your usual activities (including exercise) once in 24hrs. Common effects include discolouration, redness, or irritation at the injection site.

Botox injections last three months. You’ll schedule appointments with your doctor for added treatments to take care of the required results.

The cost depends on what number of units your doctor uses; however, it is up to many bucks per treatment. Compare the prices, uses, and aspect effects of Botox and fillers.

3. Surgery:

Surgery is also a choice if you want more significant long-term results. A facelift (rhytidectomy) is the most all-embracing and permanent answer for smile lines.

It may address lines around your mouth and your eyes after one procedure, and your sawbones may advocate lid surgery with a facelift.

It is among the top choices; facelifts take the longest to heal, with an average of three months.
The most significant risk related to a facelift is infection. Rare aspect effects embrace scarring, pain, and nerve injury.

4. Laser treatments:

Laser treatments are a skin resurfacing technique that removes the highest layer of skin cells. The procedure is supposed to decrease wrinkles and skin spots by revealing the lower layer of recent skin.

Swelling and pain are common side effects. However, these subside once some days. Scarring and infection also are attainable.

5. Collagen induction medical care:

Collagen induction medical care (also called micro-needling or skin needling) aims to extend natural scleroprotein production in your skin.

As one ages, skin loses scleroprotein, and scleroprotein will fill in wrinkles, like smile lines. For the procedure, your doctor can use a roller with tiny needles.

You may see bruising, redness, or discolouration as your skin heals. The general public wants 3 to 6 treatments in total.

6. OTC creams:

OTC creams supply cheaper wrinkle treatment choices. antiophthalmic factor is among the additional studied ingredients thanks to its claimed ability to interrupt the free radicals, which will cause wrinkles.

One study reported essential ends up in patients with fine lines and wrinkles; the agency used antiophthalmic factor treatments of 0 to 4%. Participants used antiophthalmic factor lotion three times per week for six months.

Vitamin C, peptides, and chemical group acids also treat wrinkles. The drawback to unlisted creams is that they’ll take months to figure out, and you won’t get permanent results. Aspect effects will embrace redness or discolouration, rashes, and burning.

How do I prevent smile lines from forming around my mouth?

For a young adult, prevention of laugh lines is to follow a skincare routine. For example, you apply an emollient daily to prevent wrinkles from sun injury.

Keeping your skin hydrated together goes a protracted approach, whether or not you already have smile lines. Ensure regular consumption of water and avoid excessive caffeine or alcohol. Each has water pill effects.

Wash your face twice daily and moisturise your skin immediately. Including these tips in your daily skincare routine may be a game changer to your pro-ageing beauty routine.

Exercise and a plant-based diet may also facilitate keeping your skin healthy.

If you require another excuse to quit smoking, grasp that kicking this habit currently will help prevent future wrinkles and smile lines. If you’re having a tough time leaving, these apps might facilitate.


Smile lines are a natural sign of ageing. As you grow up, any lines or wrinkles you have will deepen or multiply. Still, there are steps one can take to minimise this method.

Treatment choices for laugh lines. Speak with a doctor regarding the best options that support the specific needs. Surgery is a choice, and however, it’s temporary.

You may be prepared to prevent smile lines from worsening as you age. Taking care of your overall health and keeping your skin hydrated is the best approach.

It’s important to consult with a qualified healthcare professional to determine the best treatment options for your individual needs and goals. Please call +91 9744441100 to book an appointment with a skin doctor.


Dr. Thajudheen MD

Dr Thajudheen is a dermatologist and cosmetic laser surgeon. He founded Dr Thaj Laser Skin & Hair Clinics in cities across southern India, where he pioneered the use of advanced lasers and cosmetology techniques.


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