Are there risks associated with瘦脸针 (facial slimming injections)?

Nov 11, 2024 Source: Cainiu Health

Dr. Han Xuefeng

Introduction

Botox for facial slimming carries certain risks. This cosmetic procedure involves injecting medication to improve facial contours. Although it can effectively reduce facial fat and the size of the masseter muscles, potential side effects include pain at the injection site, allergic reactions, facial asymmetry, stiff expressions, and skin laxity. To avoid health risks, it is essential to choose a reputable medical facility.

Botox injections for facial slimming carry certain risks. This cosmetic procedure involves injecting medication to improve facial contours and can effectively reduce facial fat and the size of the masseter muscles. However, potential side effects may include pain at the injection site, allergic reactions, facial asymmetry, stiff facial expressions, and skin laxity. The specific risks are analyzed as follows:

1. Pain at the Injection Site

The injection procedure may cause localized pain, redness, swelling, or bruising, which typically resolves on its own.

2. Allergic Reactions

A small number of individuals with allergic predispositions may experience an allergic reaction to the injected substance, resulting in facial swelling, rashes, or itching. In severe cases, anaphylactic shock may occur.

3. Facial Asymmetry

If the procedure is performed improperly or if the face is massaged after injection, causing the medication to spread unevenly, it may lead to facial asymmetry or drooping of the mouth corners.

4. Stiff Facial Expressions

Excessive dosage, incorrect injection placement, use of unapproved substances, or massaging the face post-injection may damage neuromuscular function, leading to unnatural stiffness in facial expressions—particularly noticeable during smiling.

5. Skin Laxity

Over-injection may cause excessive muscle atrophy, resulting in loose, sagging, or sunken facial skin that resembles signs of aging. Significant atrophy in the anterior portion of the masseter muscle may also make the cheekbones appear more prominent.

To minimize health risks, it is essential to choose a reputable medical facility and have a thorough consultation with a qualified physician to determine whether Botox for facial slimming is suitable. Additionally, after the injection, adequate rest should be taken, strenuous exercise avoided, and facial hygiene maintained to promote recovery and reduce the likelihood of complications.

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How many days does it usually take to see improvement with slimming injections?

Botulinum toxin type A for injection may show relief within 7 to 20 days after administration, with specific results varying from person to person. "Facial slimming injections" refer to botulinum toxin type A for injection. It works by blocking signal transmission between the nerves and the masseter muscle, causing the muscle to stop contracting and gradually atrophy, thereby achieving a slimmer facial appearance. The general reference price for botulinum toxin type A for injection ranges from 2,000 to 12,000 yuan per injection.

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How long does it take for slimming facial injections to take effect?

The general reference price for Botulinum Toxin Type A for injection is 1,500–6,000 yuan per shot. Noticeable improvement usually appears within 7–14 days, although side effects such as facial hollowing or allergic reactions may occur. The effect of Botulinum Toxin Type A for injection typically becomes evident within 7–14 days, but the exact timing depends on individual constitution, dosage, and other factors.

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Is Botox for slimming the face safe?

In general, slimming injections involve injecting botulinum toxin type A to block nerve signal transmission between the nerves and the masseter muscles, thereby achieving a slimming effect on the face. The typical reference price for a slimming injection ranges from 1,000 to 8,000 yuan per session, and improvement is usually visible within 2 to 4 weeks. The safety of slimming injections should be evaluated based on the qualifications of the injection facility and the experience of the physician administering the injection.

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Are there risks associated with瘦脸针 (facial slimming injections)?

Slimming injections refer to injectable botulinum toxin type A, which selectively acts at the neuromuscular junction, causing disuse atrophy of the masseter muscle and thereby achieving a face-slimming effect. The general reference price for injectable botulinum toxin type A ranges from 2,000 to 12,000 yuan per injection, with visible results typically appearing around two weeks after injection.