Do you know those wrinkles and expression lines that really bother you? Today I’m going to talk about the expression wrinkle treatment using botulinum toxin.
Here’s a clear and data-based paragraph in English:
Recent studies show that combining botulinum toxin with supportive skincare can significantly enhance outcomes, with research indicating that patients experience up to 20–30% longer-lasting improvement in expression wrinkles when they follow a consistent routine of sun protection and daily moisturization.
Additionally, clinical data suggests that over 85% of patients report smoother skin texture and better overall satisfaction when maintenance treatments are performed every 3 to 4 months. These findings highlight that technique, aftercare, and treatment consistency play a major role in maximizing botulinum toxin results.
Is it possible to reverse expression lines?
Expression lines are natural signs of time and daily facial movements — like smiling, frowning, or squinting your eyes. But is it possible to reverse these signs? The answer is: yes, they can be softened with modern and effective aesthetic treatments.
One of the most recommended procedures for this is Botox. This substance temporarily blocks the contraction of the muscles responsible for dynamic wrinkles, giving the skin a more relaxed and rejuvenated appearance.
The result is a visible smoothing of expression lines, especially on the forehead, around the eyes (the famous crow’s feet), and between the eyebrows.
In addition to improving appearance, Botox can also prevent these lines from deepening, keeping the skin smoother for longer. The procedure is quick, nearly painless, and requires no downtime — ideal for those seeking natural results without interrupting daily activities.
If expression lines bother you, Botox can be the perfect ally to restore your self-esteem with safety and efficiency. Always consult a qualified professional to find the best plan for your skin.

Do you know what botulinum toxin is?
It is a protein produced by a bacterium, and when a very small amount is injected into specific facial muscles, it blocks the nerve impulse that activates these muscles, causing them to relax.
How does botulinum toxin work in the expression wrinkle treatment?
Botulinum toxin significantly reduces the muscle activity that leads to the appearance of different types of expression wrinkles, especially on the forehead and around the eyes.
The application is well tolerated, quick, and recovery time is minimal. It starts taking effect within a few days and reaches its peak around 14 days.
How long does the effect of botulinum toxin last?
The effect usually lasts about 4 to 6 months and gradually wears off. However, it’s important to note that when the toxin is applied at regular intervals — around every 5 to 6 months — the muscle becomes weaker, making the wrinkle-softening effect last longer over time.
Aftercare for expression wrinkle treatment with botulinum toxin
After the procedure, it’s important not to press or massage the treated area for a few hours.
When applied by a qualified medical professional using high-quality products, it is a very safe procedure. During the first 4 hours, avoid lying down or massaging the treated area to prevent product migration.
Avoid intense physical activities during the first 24 hours. Also, avoid sun exposure, excessive heat, and alcoholic beverages on the day of the procedure. Mild swelling or bruising may appear, but they usually disappear within a few days.
The effect can start to be noticed within up to 7 days, with full results after 15 days. Always follow your medical professional’s instructions.
Side effects of botulinum toxin treatment

Side effects are minimal and usually related to the area of application. Rare effects such as eyelid drooping may occur, but they are typically temporary.
Indications for botulinum toxin treatment
Botulinum toxin is indicated to soften expression lines and deeper wrinkles, such as:
- Vertical lines between the eyebrows
- Crow’s feet at the corners of the eyes
- Horizontal forehead lines
It also helps prevent new wrinkles from forming. Some muscles, however, should not be treated because they are essential for natural facial expressions.
Another common use of botulinum toxin is for hyperhidrosis, or excessive sweating. It works very well in these cases by blocking the sweat glands responsible for excessive perspiration.
Contact
Clínica de Pele has specialized in dermatological treatments in Rio de Janeiro for over 60 years, since 1969.
Dr. Szerman has more than 20 years of experience and also teaches other physicians.



