Can I laugh loudly after receiving a slimming facial injection?

Mar 03, 2025 Source: Cainiu Health

Dr. Chen Lu

Introduction

The slimming needle works primarily by blocking nerve impulses, causing the masseter muscle to atrophy, thereby achieving a face-slimming effect. The general reference price for a slimming needle treatment is 2000-6000 yuan per session, and noticeable improvement is usually seen within 1-3 months. Laughing vigorously generally is not recommended within 48 hours after receiving the slimming needle injection if recovery is not proceeding well. However, if the recovery is good after 48 hours, laughing normally is typically permissible.

The main ingredient of the slimming injection is botulinum toxin type A for injection, which works by blocking nerve impulses, causing the masseter muscle to atrophy, thereby achieving a face slimming effect. The general reference price of the slimming injection ranges from 2000 to 6000 yuan per session, and visible improvement can usually be observed within one to three months. Generally, if a good recovery has not occurred within 48 hours after receiving the injection, it is not advisable to laugh loudly. If recovery is satisfactory after 48 hours post-injection, laughing normally is typically acceptable.

In the initial period after the slimming injection, such as within 48 hours, laughing loudly or making exaggerated facial expressions may cause pulling or stimulation of the facial muscles, thus affecting the recovery outcome of the injection and potentially causing some skin damage. Moreover, laughing may increase the strain on the facial muscles, causing or worsening discomfort, and is therefore generally not recommended during this time.

If no severe adverse reactions, such as pain, swelling, or infection, occur after the injection and the medically advised observation period has passed, normal facial expressions, including laughing, can generally be resumed after 48 hours when the muscles have typically begun to adapt. It is recommended to avoid strenuous physical activities to reduce facial muscle movement and maintain the effectiveness of the injection.

In daily life, it is advisable to maintain a light diet, keep a regular sleep schedule, avoid prolonged exposure to sunlight, and refrain from using cosmetics with strong ultraviolet effects to prevent increasing the burden on the skin and causing pigmentation.

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