At Edwin Lim Medical Aesthetic Clinic, we offer doctor-led botulinum toxin treatments tailored to your unique needs. Whether you want to smooth wrinkles, achieve a slimmer jawline, reduce excessive gum show, or relieve jaw tension, our expert approach ensures natural-looking, safe, and effective results. With precise injection techniques and personalized treatment plans, we help you restore youthful confidence and facial harmony.

Botulinum toxin is a non-surgical, minimally invasive treatment used to reduce wrinkles, enhance facial aesthetics, and address medical concerns. This procedure is administered by licensed doctors in Singapore.
For individuals seeking anti-wrinkle injections in Singapore, botulinum toxin offers a safe and effective solution. It works by targeting specific muscles to reduce wrinkles and achieve natural-looking results, enhancing confidence without altering facial expressions.
Botulinum toxin temporarily relaxes targeted muscles, reducing their ability to contract. This smoothens dynamic wrinkles caused by repetitive facial expressions, such as smiling, frowning, or raising eyebrows.
In Singapore, botulinum toxin wrinkle treatments are commonly used to address:
By targeting these areas, botulinum toxin treatments can help patients achieve smoother, more youthful-looking skin.
Cosmetic Benefits
Therapeutic Benefits
These benefits make botulinum toxin an effective treatment for both aesthetic and therapeutic goals, tailored to individual needs.

Botulinum toxin is a versatile non-surgical treatment used to address a wide range of cosmetic, facial slimming, and therapeutic concerns. When injected precisely by an experienced doctor, it relaxes targeted muscles to enhance facial aesthetics and improve certain medical conditions.
Primary Muscle Targeted: Frontalis
Mechanism of Action:
The frontalis muscle controls upward movement of the eyebrows. Repeated use of this muscle during facial expressions leads to the development of horizontal forehead lines. Botulinum toxin weakens the frontalis temporarily, reducing muscle contraction. This softens the appearance of existing wrinkles and prevents new lines from forming.
Injection Protocol
Learn more about Forehead Botulinum Toxin here
Primary Muscles Targeted: Corrugator Supercilii, Procerus
Mechanism of Action:
Frown lines, also known as glabellar lines or “11 lines,” appear between the eyebrows due to repeated contraction of the corrugator supercilii and procerus muscles. These muscles pull the brows downward and inward, creating deep vertical lines over time. Botulinum toxin relaxes these overactive muscles, reducing the depth of frown lines and restoring a smoother, more neutral resting expression.
Injection Protocol
Learn more about Frown Line Botulinum Toxin here
Primary Muscle Targeted: Orbicularis Oculi (lateral portion)
Mechanism of Action:
Crow’s feet are fine lines that form at the outer corners of the eyes due to repeated smiling, squinting, and sun exposure. These dynamic wrinkles result from the contraction of the orbicularis oculi muscle. Botulinum toxin relaxes the lateral portion of this muscle, reducing the appearance of eye wrinkles while preserving natural facial expression.
Injection Protocol
Learn more about Crow’s Feet Botulinum Toxin here
Primary Muscle Targeted: Levator Labii Superioris Alaeque Nasi (LLSAN)
Mechanism of Action:
A gummy smile occurs when the upper lip elevates excessively during smiling, exposing an overly visible portion of the gums. This is usually caused by overactivity of the levator labii superioris alaeque nasi (LLSAN) muscle. Botulinum toxin weakens this muscle, reducing the upward pull of the upper lip. This results in less gum show and a more balanced, natural-looking smile
Injection Protocol
Learn more about Gummy Smile Botulinum Toxin here
Primary Muscle Targeted: Nasalis (transverse part)
Mechanism of Action:
Bunny lines are fine wrinkles that appear on the sides of the nose when smiling or scrunching the face. These lines are formed by the contraction of the nasalis muscle. Botulinum toxin relaxes this muscle, reducing the appearance of nasal wrinkles.
Injection Protocol
Learn more about Bunny Line Botulinum Toxin here
Primary Muscle Targeted: Depressor muscles of the brow — mainly Orbicularis Oculi (lateral portion), Corrugator Supercilii, and Procerus
Mechanism of Action:
Low-positioned or drooping brows can create a tired or heavy appearance. This often results from overactivity of muscles that pull the eyebrows downward. Botulinum toxin is strategically injected into these depressor muscles to weaken their downward pull. This allows the opposing frontalis muscle, which elevates the brows, to lift the eyebrow area more freely — achieving a subtle, non-surgical brow lift.
Injection Protocol
Learn more about Eyebrow Lift Botulinum Toxin here
Primary Muscle Targeted: Mentalis
Mechanism of Action:
Chin dimpling, also referred to as a “cobblestone” or “orange peel” chin, is caused by overactivity of the mentalis muscle. This leads to irregular skin texture and visible dimpling when speaking or expressing. Botulinum toxin relaxes the mentalis muscle, reducing its excessive movement and resulting in a smoother, more even chin contour.
Injection Protocol
Primary Muscle Targeted: Depressor Anguli Oris (DAO)
Mechanism of Action:
A downturned mouth, often perceived as a sad or tired expression, is caused by overactivity of the depressor anguli oris muscle. This muscle pulls the corners of the mouth downward during facial movements. Botulinum toxin relaxes the DAO muscle, reducing this downward pull. As a result, the mouth corners appear more lifted, contributing to a more neutral and pleasant resting facial expression.
Injection Protocol
Primary Muscle Targeted: Masseter
Mechanism of Action:
An enlarged or square jawline is often due to hypertrophy of the masseter muscles, commonly from teeth grinding or habitual clenching. Botulinum toxin is injected into the masseter to reduce its bulk by weakening muscle activity. Over time, the muscle shrinks in size, resulting in a slimmer, more V-shaped lower face and improved facial harmony.
Injection Protocol
Learn more about Jaw Slimming Masseter Botulinum Toxin here
Primary Muscle Targeted: Platysma
Mechanism of Action:
The Nefertiti Lift is a non-surgical technique that uses botulinum toxin to soften vertical neck bands and redefine the jawline. These bands are caused by overactivity of the platysma muscle, which pulls the skin of the lower face and neck downward. By relaxing this muscle, botulinum toxin reduces the downward pull, allowing the jawline and lower face to appear more lifted and contoured. This treatment is particularly useful in patients with early signs of lower face sagging or visible neck lines.
Injection Protocol
Learn more about Neck and Jawline Rejuvenation with Botulinum Toxin here
Primary Muscle Targeted: Trapezius (upper fibers)
Mechanism of Action:
Overdeveloped trapezius muscles can create a bulky shoulder profile, leading to a less defined neck-shoulder contour. Botulinum toxin is injected into the upper trapezius to reduce excessive muscle tension and bulk. As the muscle gradually slims down, patients notice a longer-looking neckline, improved posture, and a more delicate shoulder contour — a result commonly referred to as BarbieTox or TrapTox.
Injection Protocol
Learn more about Trapezius Botulinum Toxin here
Primary Muscle Targeted: Gastrocnemius (medial and lateral heads)
Mechanism of Action:
Bulky or muscular calves can create a stocky lower leg appearance, especially in individuals with genetically prominent or exercise-developed calf muscles. Botulinum toxin is injected into the gastrocnemius muscle to reduce its activity and size over time. This gradual slimming effect results in a more tapered, contoured lower leg silhouette, commonly sought after for improved aesthetics in dresses or heels.
Injection Protocol
Learn more about Calf Slimming Botulinum Toxin here
Primary Areas Treated: Underarms (Axillae) and Palms (Palmar Surface)
Mechanism of Action:
Hyperhidrosis is a condition characterised by excessive sweating beyond what is needed for temperature regulation. In the underarms and palms, this can lead to social discomfort and disruption of daily activities. Botulinum toxin works by blocking the release of acetylcholine at the nerve endings of sweat glands, temporarily halting sweat production in the treated area.
Injection Protocol
Results:
Reduction in sweating is usually noticeable within 1 week and can last up to 6 months. Repeat treatments may be needed to maintain dryness and comfort.
Learn more about Hyperhidrosis Botulinum Toxin here
Primary Muscle Targeted: Masseter (may also include Temporalis in severe cases)
Mechanism of Action:
Bruxism, or involuntary jaw grinding and clenching, can lead to chronic jaw tension, facial pain, and temporomandibular joint (TMJ) discomfort. Overactive masseter muscles are often the primary cause. Botulinum toxin is injected into the masseter to reduce excessive muscular activity, relieving tension and reducing the force of grinding. This can also help alleviate TMJ-related symptoms and prevent further dental wear.
Injection Protocol
Results:
Improvement in jaw tension and pain is typically noticed within 1 to 2 weeks, with effects lasting up to 4 to 6 months.
Learn more about Bruxism and TMJ Botulinum Toxin here
Primary Muscle Targeted: Trapezius (upper fibers)
Mechanism of Action:
Chronic shoulder tension and pain are often caused by hypertrophy or overuse of the upper trapezius muscle, particularly in individuals with poor posture, prolonged computer use, or stress-related muscle tightness. Botulinum toxin is injected into the upper trapezius to reduce muscle overactivity, relieving pain, improving posture, and allowing the muscle to relax more naturally over time.
Injection Protocol
Results:
Most patients experience noticeable relief within 1 to 2 weeks, with improved shoulder mobility, reduced tightness, and less discomfort during daily activities.
Our doctors will assess your facial anatomy, medical history, and aesthetic concerns to develop a customized treatment plan. The consultation includes selecting the most suitable botulinum toxin brand—based on your goals.
The procedure takes 15-20 minutes, making it an ideal choice for busy individuals in Singapore. Using ultra-fine needles, small amounts of botulinum toxin are injected into targeted areas with precision. Ice packs may be applied to ensure your comfort during the process.
Avoid touching or massaging the treated areas for 4-6 hours to prevent unintended diffusion. Refrain from strenuous activities, alcohol, or excessive heat for 24 hours to minimize bruising. Follow your doctor’s post-treatment instructions for optimal recovery and results.
Most patients notice visible improvements in wrinkles within 3-10 days after treatment. These results typically last between 4-6 months, depending on the treatment area, dosage, and individual metabolism.
For long-term benefits, regular maintenance treatments can help prevent deeper wrinkles from forming and maintain a rejuvenated appearance.
Natural-looking results focus on enhancing your appearance while preserving your unique facial expressions. This is achieved through:
A frozen look occurs when too much botulinum toxin is injected or when improper techniques are used, leading to restricted facial movement. This can result in:
Our doctors prioritize:
Extensive research has shown that botulinum toxin products are safe and effective. These products are approved by health authorities worldwide, including Singapore’s Ministry of Health (MOH). In Singapore, only licensed medical professionals administer these treatments, ensuring a safe and controlled experience.
Mild and temporary side effects may include:
By following post-treatment guidelines and consulting experienced professionals, you can ensure a safe and satisfying experience.
With many clinics offering botulinum toxin in Singapore, finding the right provider comes down to safety, precision, and medical expertise. The best outcomes are achieved when treatments are performed by doctors with a deep understanding of facial anatomy and muscle dynamics.
At Edwin Lim Medical Aesthetic Clinic, all botulinum toxin injections are doctor-led, with a strong emphasis on natural results, patient education, and personalised dosing. Each consultation includes a detailed facial assessment to ensure safe injection points and optimal aesthetic balance.
Book a consultation today to experience trusted, medically guided botulinum toxin treatment.
