Dermal Fillers: Safety, Areas Treated & Natural Results

Common treatment areas

Dermal fillers are remarkably versatile and can be used to address a wide range of aesthetic concerns across different areas of the face. Each area has its own anatomy, its own risks, and its own expectations in terms of results and longevity. A skilled practitioner will assess your face as a whole, rather than treating areas in isolation, to ensure that the overall result is balanced and proportionate.

• Lips.
  Lip filler is the most commonly requested dermal filler treatment. It can add volume to naturally thin lips, improve symmetry, define the lip border (vermilion border), and soften vertical lip lines. The key to a good lip filler result is subtlety — the goal should be to enhance your natural lip shape, not to create an obviously “filled” appearance. Over-filling the lips is one of the most common mistakes in aesthetic practice and can lead to an unnatural look that is difficult to reverse without dissolving the filler entirely.
• Cheeks.
  As we age, the fat pads in the mid-face gradually descend and lose volume, which can lead to a flattened or hollow appearance in the cheek area. Filler placed strategically in the cheeks can restore this lost volume, lift the mid-face, and reduce the appearance of nasolabial folds (the lines that run from the nose to the corners of the mouth). Cheek augmentation can also improve facial balance and create a more youthful contour.
• Jawline.
  Jawline filler can sharpen and define the lower face, creating a more structured profile. It is increasingly popular among both men and women who want to address a soft or poorly defined jawline. When combined with chin filler, it can significantly improve the overall balance of the lower third of the face.
• Nasolabial folds.
  These are the lines that run from the sides of the nose to the corners of the mouth. While some practitioners treat these directly with filler, in many cases the most effective approach is to address the underlying cause — mid-face volume loss — by placing filler in the cheeks. This lifts the tissue above the fold and softens the line naturally, rather than simply filling the crease itself.
• Tear troughs.
  The area beneath the eyes (the tear trough) can develop a hollow, dark appearance with age. Filler in this area can reduce the shadowing and create a more rested look. However, tear trough treatment is technically demanding and carries a higher risk of complications, including prolonged swelling (known as a Tyndall effect or malar oedema). It should only be performed by experienced practitioners who are comfortable managing complications in this anatomically complex area.
• Chin.
  Chin augmentation with filler can improve facial proportion by projecting a recessed chin, balancing the profile, and improving the relationship between the chin, jawline, and neck. It is often combined with jawline treatment for a comprehensive lower-face improvement.

For a full overview of our dermal filler treatments, visit our dermal fillers treatment page.

How long do dermal fillers last?

One of the most common questions we are asked is how long fillers last. The honest answer is that it depends on several factors, including the area treated, the type and volume of filler used, your metabolism, and your lifestyle. As a general guide:

• Lips: 6 to 9 months. The lips are a highly mobile area with a rich blood supply, which means filler tends to break down more quickly here than in other areas.
• Cheeks: 12 to 18 months. The mid-face is a relatively stable area, and filler placed deep against the bone can last well over a year in many patients.
• Jawline and chin: 12 to 18 months, depending on the product used and the patient’s anatomy.
• Nasolabial folds: 9 to 12 months. Longevity here depends partly on how much movement occurs in the area.
• Tear troughs: 9 to 12 months or longer. Because this area has relatively little movement, filler can persist for an extended period.

It is important to understand that these are estimates and individual results vary. Factors that can reduce filler longevity include a faster metabolism, regular intense exercise, smoking, and sun exposure. Some patients metabolise filler more quickly than others for reasons that are not fully understood.

A responsible approach to filler maintenance is to allow the previous treatment to break down naturally before adding more, rather than “topping up” at frequent intervals. Repeated treatments before previous filler has fully dissolved can lead to a gradual accumulation of product in the tissue — a phenomenon sometimes referred to as filler migration or filler fatigue. This can result in a puffy, overfilled appearance that looks unnatural and can be difficult to correct. At our Maidenhead clinic, we advise patients on appropriate intervals between treatments and take a conservative approach to volume.

Red flags: what to avoid

The aesthetic industry in the UK is under-regulated, and patients need to be proactive about protecting themselves. The following are warning signs that should give you pause before proceeding with treatment:

• 1.
  No consultation before treatment.

  Any practitioner who offers to inject you without a proper consultation — including a medical history, facial assessment, and informed consent process — is cutting corners that exist to protect you.

• 2.
  Discount deals and flash sales.

  Dermal filler treatment involves injectable medical devices, clinical skill, and ongoing responsibility for your care. Heavily discounted prices, group-buying vouchers, and “bring a friend” offers should raise questions about whether the practitioner is cutting costs on product quality, training, or clinical governance.

• 3.
  Pressure to buy packages upfront.

  Paying for multiple sessions in advance ties you to a practitioner before you know whether you are happy with their work. A reputable clinic will let you assess your results before committing to further treatment.

• 4.
  Unqualified or unregistered injectors.

  Currently, there is no legal requirement in the UK for someone to hold a medical qualification to inject dermal fillers. This means that beauticians, hairdressers, and individuals with only a short training course can legally offer filler treatments. Always check your practitioner’s qualifications and professional registration. Our guide to choosing an aesthetic clinic explains what to look for.

• 5.
  Over-treatment and filler migration.

  Filler migration — where product moves away from the original injection site over time — is increasingly recognised as a consequence of repeated over-treatment. It is particularly common in the lips, where excessive filler can spread beyond the lip border, creating a “shelf” or “duck lip” appearance. The best prevention is conservative treatment by an experienced practitioner who prioritises long-term facial aesthetics over short-term volume.

• 6.
  Treatment in non-clinical settings.

  Fillers should be administered in a clean, clinical environment with appropriate infection control measures. Treatments performed at house parties, in hotel rooms, or at beauty salons without clinical-grade facilities put you at unnecessary risk.