Botox or PDO threads for the forehead and brow

Quick facts
- Patient question
- For the forehead and brow, should I get botox or PDO threads?
- Short answer
- Toxin treats the movement of the muscle. Threads aim for support and position. They are different goals.
- When they complement each other
- A lined forehead and a low brow may call for both approaches, at the professional's discretion.
- Caution
- Toxin in the forehead can lower the brow if the dose does not respect the anatomy.
A lined forehead and a drooping brow often appear together, and the patient asks which procedure to choose. The question bundles two problems that have different causes and solutions: the lines drawn by the frontalis muscle and the brow position, which depends on support. Answering well requires separating one from the other.
This text is a review without a protocol. Indication and technique are the responsibility of the licensed professional, in line with the rules of their professional council in Brazil.
What each one does
Botulinum toxin relaxes muscles and softens the dynamic wrinkles of the forehead. At the same time, since the frontalis muscle is the only one that lifts the brow, relaxing it too much can lower the brow.
PDO threads, in turn, are absorbable materials inserted under the skin, used to provide support and stimulate collagen production. The lifting effect is subtle and variable. The technical view is in PDO threads in the brow.
| Criterion | Toxin | PDO threads |
|---|---|---|
| Target | Muscle contraction | Support and tissue stimulation |
| Typical concern | Expression lines | Low brow, loss of support |
| Specific risk | Lowering the brow, asymmetry, ptosis | Irregularities, infection, thread visibility |
| Duration | Months | Variable, depends on the thread |
| Reversibility | The effect wears off with time | Threads are absorbed, but removal may be needed in a complication |
Timeline
Timeframes vary with the technique, the thread and the person.
| Moment | Toxin | PDO threads |
|---|---|---|
| Right after | Injection points, mild swelling | Swelling, bruising, tenderness |
| First days | Effect begins | Possible pulling sensation and discomfort |
| 2 weeks | Full effect | Threads settle in |
| 1 to 3 months | Effect maintained | Collagen stimulation under way |
| Following months | Gradual return of movement | Gradual absorption of the threads |
When toxin is the choice
When the concern is the lines, and the brow is in an adequate position, toxin is the direct path. The dose needs to respect the anatomy to avoid heaviness. See botulinum toxin in the brow and botox or filler in the forehead.
When threads enter the conversation
If the brow drops and the patient wants a subtle supportive effect, threads can be considered. Results are modest, and expectations should be realistic. In significant droop, other approaches may be more appropriate, including surgical ones. See do PDO threads work and PDO thread risks.
Harmy and this case
Harmy was designed for volume in the marked areas of the face, and does not simulate toxin in the forehead or support threads. For this case, the conversation relies on photos and the professional's explanation. If the plan includes volume in the temples, which influences the look of the brow, the app can support that part as an illustrative simulation, not a promise of results.
How to present the decision to the patient
A simple way is to split the concern into two questions. The first: "what bothers you more, the line or the position of the brow?" The second: "do you accept a subtle result or do you expect an obvious change?" With the answers, it is easy to explain that toxin treats the line, that threads can subtly help with position and that, if the expectation is a marked lift, other options should be discussed. Document the choice and the risks of each technique. Show standardized photos of the patient, at rest and in expression, to support the conversation, and schedule a follow-up to assess the effect honestly.
Frequently asked questions
Botox or PDO threads: which is better for the forehead?
It depends on the concern. For expression lines, toxin. For a low brow and loss of support, threads may come in. Many cases call for assessing both approaches.
Do PDO threads lift the brow?
They may give a subtle supportive effect in some patients, but results are modest and vary. They do not replace other techniques when the droop is significant.
Can botox lower the brow?
Yes. If the frontalis muscle is relaxed too much without considering brow position, the brow can drop. That is why assessment and a conservative dose are essential.
Can I get both at the same time?
The combination is possible in plans defined by the professional. The order, interval and area vary, and the decision is made after assessment.
Harmy images are illustrative simulations generated by AI from the patient's photo to support the conversation between practitioner and patient. They are not a promise of results. Indication, technique, product and volume are solely the decision of the licensed practitioner. This content is for information only and does not replace a clinical assessment.