In brief

Conventional muscle-relaxing botulinum toxin — commonly known as “Botox” — is widely used by men to soften movement-related lines such as frown lines, forehead lines and lines around the eyes. It relaxes the specific muscles that create those lines — the mechanism is explained in our guide to how botulinum toxin works. In men, treatment is planned around male anatomy — stronger brow and forehead muscles, heavier brows — to preserve masculine features and a natural expression. Effects are temporary, typically lasting a few months. It is well evidenced for these uses, and is separate from the more superficial intradermal technique used for oiliness and pores.

The short version

  • Common in men — frown, forehead and eye lines are the usual reasons.
  • Relaxes muscle to soften the lines that movement creates.
  • Planned for male anatomy — stronger muscles, heavier brows, masculine shape preserved.
  • Natural is the goal — softening, not freezing or arching the brow.
  • Temporary — lasts a few months; repeat treatment maintains the effect.

Motivation

Why men consider it

Most men who ask about this treatment want to look less tired or less stern, not different. A persistent frown line or heavy forehead creasing can read as fatigue or annoyance, and softening it can refresh the face while leaving expression intact. The common thread is wanting a subtle, natural result with minimal fuss and downtime — and specifically avoiding an obviously “done” look. Conventional botulinum toxin fits that goal when the concern is movement-related lines.

Anatomy

How male anatomy differs — and why it matters

Male facial anatomy generally differs from female in ways that change how treatment is planned. Men tend to have stronger muscles of the brow and forehead, heavier and lower-set brows, and larger jaw (masseter) muscles. Stronger muscles mean planning is individualised rather than templated; and the lower male brow means the forehead has to be treated carefully, because over-relaxing the muscle that holds the brows up can cause brow heaviness. The objective is to soften lines while keeping a flat, masculine brow shape — not to create the arch that suits some female patients.

By area

Areas treated in men

Frown lines (corrugator and procerus)

The vertical lines between the brows are usually men's top concern, since they can look severe. They arise from the corrugator muscles and the procerus; relaxing these softens moderate to severe frown lines — the best-studied use of botulinum toxin.1

Forehead lines (frontalis)

Horizontal forehead lines come from the frontalis muscle. In men this area calls for particular restraint: the frontalis holds the brows up, so it is treated conservatively to avoid brow heaviness, especially given the lower male brow position.

Lines around the eyes (orbicularis oculi)

Lines at the outer corners of the eyes (“crow's feet”) are produced by the orbicularis oculi. Careful treatment can soften them while keeping a natural smile.

Botulinum toxin has other established uses in men — for example jaw-muscle (masseter) treatment and excessive sweating — which are assessed case by case and sit outside this page.

Priority

Keeping it masculine and natural

For most male patients, the result has to be undetectable as treatment. That means softening rather than eliminating movement, preserving a flat brow rather than an arched one, and treating conservatively so expression stays intact. The outcome depends on assessment and placement far more than on the product itself — which is why an anatomy-led, individualised approach matters, and why “more” is rarely the goal.

Timing

What to expect

Treatment starts with assessment of how your muscles move, then small injections into the relevant muscles. The effect is gradual: most people notice softening within a few days, with the full effect by around two weeks.1 Results commonly last in the region of three to four months before movement returns, after which repeat treatment maintains the effect.2 Downtime is usually minimal — occasionally minor redness or a small bruise. Individual timelines vary.

Safety

Risks and side effects

Common, short-lived effects include redness, small bruises or a mild headache. Less commonly, if the toxin affects a muscle that was not the target, temporary drooping (of a brow or eyelid) or asymmetry can occur until it wears off — a particular reason the forehead is treated conservatively in men.3 Serious complications are uncommon with appropriate use. Treatment should be carried out by a suitably qualified doctor with detailed anatomical knowledge, and specific risks discussed beforehand.

Eligibility

Who should avoid it

  • Certain neuromuscular disorders (such as myasthenia gravis or Lambert–Eaton syndrome).
  • Active infection at the intended injection site.
  • Known allergy to botulinum toxin or its components.

This list is not exhaustive; a doctor assesses suitability individually at consultation.

In context

Lines versus skin quality — two different goals

It's worth being clear about which problem you're solving. This page is about movement-related lines, treated with conventional muscle-relaxing botulinum toxin. If your concern is instead oiliness, shine or the look of pores — very common in men — that's a skin-quality goal addressed by a different, more superficial approach, the intradermal “microdroplet” technique, covered in our guide to intradermal botulinum toxin for men. Some men have both concerns, and the two can be considered together. The difference between the techniques is explained in our guide to intradermal versus conventional botulinum toxin, and the conventional treatment in general in our main botulinum toxin guide.

Honest appraisal

What the evidence shows

Strong evidence  Conventional botulinum toxin for movement-related lines rests on a substantial evidence base: randomised, placebo-controlled trials have shown it to be effective and generally safe for reducing the severity of frown (glabellar) lines, with meta-analysis supporting a duration of effect of several months, alongside decades of clinical use.12 The evidence is not gender-specific; the same findings apply, interpreted for male anatomy. Results vary between individuals and depend on technique.

Clinical perspective

“Men usually come in because a frown line makes them look angry or tired, not because they want to change their face. So I treat conservatively, keep the brow flat rather than arched, and leave enough movement that nobody can tell. The forehead in particular I under-treat rather than over-treat in men. And if what's actually bothering someone is oily, shiny skin rather than a line, I'll say so — that's a different treatment entirely.”

— Dr Sandeep Uppal, ENT Surgeon (Otorhinolaryngologist), subspecialty training in facial plastic surgery

Questions

Common questions

Is it common for men?

Yes — softening frown, forehead and eye lines is among the most common reasons men seek treatment. The aim is usually a natural, refreshed look that keeps masculine features.

Will it make me look feminine or “done”?

Treatment is planned around male anatomy to preserve masculine features — for example a flat rather than arched brow — and to soften lines while keeping natural expression. Placement and dose are individualised.

Is men's treatment different from women's?

Often, yes. Men tend to have stronger brow and forehead muscles and heavier brows, so assessment and planning are individualised rather than templated.

What does it treat in men?

Most commonly movement-related lines — frown lines, forehead lines and lines around the eyes. Other uses, such as jaw-muscle or sweating treatment, are considered case by case.

When will I see results, and how long do they last?

Onset within a few days, full effect by about two weeks, lasting roughly three to four months before gradually wearing off. Individual results vary.

Is there much downtime?

Usually minimal — occasionally minor redness or a small bruise that settles quickly.

Does it hurt?

Most men find the injections quick and only mildly uncomfortable; numbing can be used.

What if my concern is oily skin or pores, not lines?

That's a skin-quality goal addressed by the more superficial intradermal technique, not conventional muscle-relaxing treatment. The two can be considered together at consultation.

Can it cause brow heaviness?

Over-treating the forehead can, which is why it's treated conservatively in men given the lower male brow. Careful, individualised dosing reduces this risk.

Who should avoid it?

It's generally avoided in certain neuromuscular disorders, with active infection at the site, and where there's known allergy to botulinum toxin.

About the author

Dr Sandeep Uppal

Dr Sandeep Uppal is an ENT Surgeon (Otorhinolaryngologist) in Singapore with subspecialty training and a clinical interest in facial plastic surgery and facial aesthetics. He serves as Education Director of the Pan Asia Academy of Facial Plastic and Reconstructive Surgery (PAAFPRS). This article was written and medically reviewed by Dr Uppal.

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Sources

References

  1. Carruthers JA, Lowe NJ, Menter MA, et al; BOTOX Glabellar Lines I Study Group. A multicenter, double-blind, randomized, placebo-controlled study of the efficacy and safety of botulinum toxin type A in the treatment of glabellar lines. J Am Acad Dermatol. 2002;46(6):840–849. doi:10.1067/mjd.2002.121356. Link
  2. Glogau R, Kane M, Beddingfield F, et al. OnabotulinumtoxinA: a meta-analysis of duration of effect in the treatment of glabellar lines. Dermatol Surg. 2012;38(11):1794–1803.
  3. Carruthers J, Carruthers A. Complications of botulinum toxin type A. Facial Plast Surg Clin North Am. 2007;15(1):51–54. doi:10.1016/j.fsc.2006.10.004. Link

Important information. This article is general educational information about a category of medical treatment. It is not medical advice, not a diagnosis or treatment recommendation, and not a substitute for an in-person consultation with a qualified doctor. It does not constitute an offer of, or inducement to obtain, any specific treatment.

Botulinum toxin is a prescription-only medicine. It may only be prescribed and administered by a suitably qualified doctor following an in-person assessment. Treatments described here have potential risks and benefits that differ for each person; outcomes are not guaranteed and vary between individuals.

In Singapore, you can verify a doctor's registration on the Singapore Medical Council public register and confirm a clinic's licensing status with the Ministry of Health before proceeding with any treatment.

Last medically reviewed: June 2026 by Dr Sandeep Uppal. This page is reviewed periodically and updated as evidence develops.