Many people think of “Botox injections” whenever they hear about botulinum toxin. But in fact, besides slimming the face, it has another very common use—reducing wrinkles. Dynamic wrinkles such as forehead lines, crow’s feet, and frown lines can all be improved with botulinum toxin. So, is the same type of botulinum toxin used for wrinkle reduction and facial slimming? How should the dosage be determined to avoid a “robotic face”? This article will clarify everything for you in one go. Straight answer: For natural-looking results without stiffness from botulinum toxin wrinkle treatment, the key lies in precise dosage and proper injection distribution. The recommended dosage varies for different areas such as Forehead lines, crow’s feet, and frown lines.
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Before getting a botulinum toxin injection, be sure to let your doctor know if you have a history of neuromuscular diseases (such as myasthenia gravis) or are taking any medications related to them.
Pregnant and breastfeeding women are generally not advised to receive botulinum toxin injections, and it’s essential to discuss this thoroughly with a doctor before proceeding.
Make sure to ask clearly whether it’s genuine botulinum toxin and how the dosage is calculated, so you can accurately compare quotes from different clinics.
Table of Contents
What’s the difference between this method and facial slimming needles?
Short answer: Both wrinkle reduction and face slimming use Botulinum Toxin. The mechanism is the same—blocking neuromuscular signals to temporarily relax muscles. However, they target different muscles: wrinkle reduction primarily relaxes facial muscles such as those on the Forehead, around the eyes, and between the brows to reduce dynamic wrinkles, while face slimming targets the Masseter to make the face appear slimmer.
In other words, botulinum toxin itself is the same drug; the difference lies in where it’s injected and its purpose. To learn about the correct dosage and precautions for using botulinum toxin to slim the face, check out this article:Can’t lose a square face even after getting Botox? The right dosage for facial slimming injections in South Korea and 3 major reasons for failureThis article will focus on the dosage and precautions for wrinkle reduction uses.
Should Forehead lines, crow’s feet, and frown lines be treated with individual injections?
Forehead wrinkles are primarily caused by repeated contractions of the forehead muscles (such as raising eyebrows). Botox helps relax these muscles, thereby reducing wrinkle formation. Fishbone lines appear at the outer corners of the eyes due to contractions of the orbicularis oculi muscles (for example, when smiling). Special care must be taken with the dosage and injection points to avoid affecting the naturalness of one’s smile. Frown lines form as a result of contractions of the frowning muscles and depressor supercilii muscles. During injection, it’s important to ensure symmetry and proper distribution of the dosage to prevent issues like raised eyebrows or drooping brows. The size and strength of the muscles in these three areas vary from person to person, so the dosage and injection points need to be customized for each individual—there should be no one-size-fits-all approach.
Can the dosage point stay natural without stiffness?
The key to achieving a natural, non-stiff appearance isn’t using as little product as possible, but rather adjusting the dosage based on an individual’s muscle strength, facial expression habits, and desired results. Too little product may result in minimal effects, while too much can cause stiffness in facial expressions and difficulty raising eyebrows. Experienced doctors will first assess the strength of muscle contraction, starting with a conservative dose and making fine adjustments depending on the recovery progress—this is safer than administering a high dose from the beginning. Additionally, it’s essential to ensure that genuine botulinum toxin is used, as counterfeit or imported products have unstable dosages and purity levels, making it difficult to guarantee both effectiveness and safety.

How long can the results last?
The wrinkle-reducing effects of botulinum toxin usually begin to show 3 to 7 days after injection, reaching their peak effect around 2 weeks later. The duration of these effects varies from person to person, typically lasting between 4 and 6 months. As muscle activity resumes, wrinkles will gradually reappear. To maintain the results, it is generally recommended to get follow-up injections every 4 to 6 months.
What are the side effects and risks?
Common side effects include mild redness and bruising at the injection site, which usually subside within a few days. Less common but noteworthy risks include drooping eyelids (often related to injections too low in the frown lines or Forehead lines) and asymmetrical facial expressions. These are mostly associated with the doctor’s experience and dosage judgment, so it’s crucial to choose an experienced physician at a reputable clinic. After the procedure, avoid vigorous massage of the injection area and intense exercise immediately to reduce the risk of the medication spreading to unintended muscles.

Frequently Asked Questions
Q1: Can Botox for wrinkles make facial expressions stiff?
When the dosage is properly controlled, there’s usually no noticeable “zombie face” effect—instead, it can help naturally reduce dynamic wrinkles. The key lies in the doctor’s experience and personalized dosage assessment.
Q2: Can wrinkle reduction and face slimming be done together?
Sure, many people opt to treat different areas at the same time (such as reducing forehead wrinkles and slimming the face), but the total dosage must be assessed by a doctor to avoid too high a dose in a single session. It’s recommended to discuss the specific plan during an in-person consultation.
Q3: How long does it take to see results after the treatment?
Typically, effects start to appear 3 to 7 days after the injection, with the most noticeable results showing after about 2 weeks. If there’s still no significant improvement after 2 weeks, it’s recommended to return for a follow-up consultation and discuss the situation with your doctor.
Book a consultation at DAN-A in Myeongdong now!
If you’d like to find out more about whether this treatment is right for you, or if you’d prefer an in-person consultation with the clinic director, feel free to contact DAN-A in Myeongdong using the details below:
WhatsApp:
Number search: +821072188830
WhatsApp link:https://wa.me/821072188830
Instagram: Private message @dana_clinickrProvide the appointment date, number of people, and the issues you’d like to address, and the clinic will help arrange a time slot for Chinese-speaking service.
Clinic Name: DAN-A Clinic / 단아의원 / Myeongdong Dermatology
Subway: Exit 6 of Seoul Metro Line 2, “Euljiro Entrance Station,” about 1 to 2 minutes on foot
Business hours: According to the official booking page and latest announcements on Instagram, clinics in South Korea may be closed due to national holidays or schedule changes by the clinic owners. It’s recommended to check in advance before heading there.
The content in this article is for reference only. Actual treatment results may vary depending on individual constitution and skin condition. For a detailed assessment, please refer to the evaluation by the clinic director in person.

