Lip Fillers Fading Too Soon? 6 Key Factors That Affect How Long They Last

3 Key Takeaways

1. Lip filler longevity depends on multiple factors, from metabolism to filler type and injection technique.
2. A healthy lifestyle and proper aftercare can significantly extend the lifespan of your fillers.
3. Choosing a qualified, experienced injector is the best way to achieve safe, natural, and lasting lip enhancement.

Apart from their ability to enhance volume, symmetry, and overall lip shape, lip fillers also provide immediate and natural-looking results. Most patients can enjoy plump, defined lips for 6 to 12 months, while others may notice their results fading sooner. But why does this happen, and what can you do to make your results last?

Learning more about lip fillers and why they don’t last as long can help you make informed choices for lasting outcomes. Continue reading as our aesthetic clinic in Singapore shares the factors that influence lip filler longevity and practical tips to help you maintain beautiful results.

But first, what are lip fillers?

Also referred to as lip injections, lip fillers are a non-surgical procedure designed to add volume, enhance definition, and improve the shape of the lips. They typically contain hyaluronic acid (HA), a naturally occurring substance that keeps the skin moisturized and flexible. When injected, it adds plumpness, replenishes volume, and smooths lines. 

Fast facts about lip fillers:

• The process is quick and can take about 15 to 30 minutes.
• HA fillers can be dissolved if you’re not happy with the results. It is done by injecting a safe enzyme known as hyaluronidase.
• The ideal look for lip filler is a slightly fuller and natural-looking pout without the need to outline the borders. 
• There is typically minimal to no downtime, and you can go back to your normal routines. Minor swelling and bruising are expected. 
• Only see a trained and experienced injector. When performed by a qualified aesthetic doctor in Singapore, you can achieve natural-looking results. 

6 factors that affect the longevity of your fillers

Curious how long your lip fillers will last? It really depends; everything from the type to how your body processes it plays a role. Here are six factors that affect lip filler longevity, so you can make informed decisions and know what to expect. 

1. The body’s metabolism

HA-based fillers are temporary; the body naturally processes and removes the HA over time. Having a faster metabolism, or to those who exercise regularly (or have higher energy expenditure), may break down fillers more quickly. This is normal and part of how the body processes the filler material over time.

Those with a slower metabolic rate may notice their fillers lasting a bit longer. As the HA is broken down at a decreased pace, the effects are noticeable for an extended period. However, certain medical conditions, such as hyperthyroidism, can negatively impact metabolic rate and shorten the longevity of injectables. 

2. The type of filler used

Not all dermal fillers are created equal. Some are formulated for softer, more natural results, while others are designed for structure and longevity. For example, lightweight fillers may last around 6 months, while denser formulations can last up to 12 months or longer.
Choosing the right filler type depends on your goals and preferences. A consultation with an experienced aesthetic doctor in Singapore can help determine the type and formulation that suits your needs and desired outcome.

Do take note that not all types of fillers are approved to be used in the lips. The safest option, of course, is temporary filler, made with hyaluronic acid. Unregulated and permanent fillers can lead to severe complications. The same is also true for needle-free devices such as hyaluron pens. 

3. Lifestyle factors

Your habits can significantly affect how long your lip fillers last. Factors such as smoking, sun exposure, and dehydration speed the breakdown of hyaluronic acid.

• Smoking restricts blood flow, which then decreases the oxygen and nutrient supply to the skin. This habit also degrades collagen and increases free radical damage, causing the filler material to break down faster.
• Sun exposure and UV damage can break down HA faster, while also increasing your risk of inflammation and sensitivity after treatment. UV radiation also damages your skin’s collagen and elastin, accelerating aging and affecting the support structure for fillers. 
• High-sodium diets and excessive alcohol intake can dehydrate the body and reduce the water-attracting capacity of HA fillers, decreasing lip volume and plumpness faster. Both habits also trigger inflammation in the body, which can lead to increasing swelling and accelerate the breakdown of collagen and elastin. 
• Excessive and frequent lip movements – such as talking, chewing, and smiling can shorten the effects of fillers. Repeated muscle activity in the area degrades the filler material faster than in other less dynamic areas, like the cheeks. 

4. Injection technique and placement

The skill and technique of your injector play a big role in how long your lip fillers last. Proper placement ensures even distribution and natural movement for optimal results and longevity. This also minimizes the risk of filler migration, lumps, and unnatural appearance. 

An experienced injector not only considers the right filler type and depth, but also lip anatomy and muscle movement. This is why it is important to choose a qualified aesthetic doctor in Singapore with expertise and years of experience administering injectables. 

5. Skin health, thickness, and quality

Factors such as lip thickness, elasticity, and collagen levels can affect how well the HA fillers hold. Having healthier and more resilient skin provides a good foundation or structural support for the filler material, resulting in longer-lasting effects.

Those with thinner skin or highly expressive facial movements may experience faster filler breakdown due to increased muscular activity. These can cause the body to metabolize the filler faster compared to areas with thicker skin. Scarring or damage to the lips may also not hold filler as effectively as healthy lips. 

6. Amount of filler injected

The amount or volume of filler used can also determine how long the results of lip fillers last. Smaller amounts may produce subtle enhancements but tend to fade faster, while slightly higher volumes provide longer-lasting fullness.

It is important to note, however, that larger volumes can increase the risk of bump, filler migration, and other complications. They also require careful balancing to achieve not only aesthetically pleasing results, but also natural-looking outcomes. This is because using too much increases the risk of unnatural or overfilled appearance. 

A follow-up session or gradual build-up may be recommended to achieve optimal results without overfilling. A conservative approach is also ideal for natural, balanced results that complement your overall facial structure. 

How to make lip fillers last longer

To extend the lifespan of lip fillers or cosmetic injectables:

• Avoid prolonged and unprotected sun exposure – Always wear broad-spectrum sunscreen with SPF 30 daily and accessorize with sunglasses or a hat whenever going outside. 
• Maintain a healthy lifestyle and proper lip care routine – This means eating a healthy, nutritious diet and limiting how much sugar and alcohol you consume. Don’t forget to get enough sleep and constantly hydrate and moisturize your lips. Exfoliate no more than twice a week and make sure to avoid harsh ingredients, like lemon and baking soda. 
• Schedule regular touch-up treatments every 6–12 months – This helps maintain your desired look and avoid significant volume loss when the fillers have completely metabolized. The exact timeframe, of course, can vary based on several factors such as type of filler, lifestyle habits, and individual metabolism. 
• Choose an experienced aesthetic doctor – Injectable fillers are safe when performed by an experienced healthcare provider, including an aesthetic doctor, dermatologist, or cosmetic surgeon. Avoid getting lip fillers from spas or beauty salons.

Let Cutis be your partner 

With proper care and the right professional guidance, lip fillers can provide beautiful, natural-looking results that last. If you’re considering dermal fillers to enhance your natural beauty, don’t hesitate to reach out to us. WhatsApp us at +65 9780 2079 to learn more or schedule a consultation with one of our aesthetic doctors.