Most first-time Botox patients receive between 30 and 60 total units, depending on which areas they’re treating and how strong their facial muscles are. Your provider will likely start on the conservative end to see how your muscles respond before adding more at a follow-up visit.
Units by Treatment Area
Botox dosing isn’t one-size-fits-all. Each area of the face has different muscles with different strengths, so the number of units varies significantly by location. Here’s what to expect for the most common cosmetic areas:
- Forehead lines (horizontal creases): 10 to 30 units, typically split across five injection sites. The manufacturer recommends 20 units total for this area, with 4 units at each site.
- Frown lines (the “11s” between your brows): 20 units is the standard starting dose for most women. Men often need 30 to 40 units here because the muscles are thicker.
- Crow’s feet (lines around the eyes): 24 units total, split between both sides. That’s roughly 12 units per eye.
- Jaw slimming or TMJ relief (masseter muscles): 20 to 30 units per side, or 40 to 60 units total. This is a larger muscle that requires more product.
If you’re treating just your forehead and frown lines together, expect roughly 30 to 50 units total. If you add crow’s feet, a full upper-face treatment runs closer to 54 to 64 units based on standard dosing guidelines.
Why First Timers Usually Get Less
A good injector will err on the side of “too little” for your first visit rather than risk the frozen, expressionless look that comes from overdoing it. The typical approach is to start with a lower number of units and have you return in one to two weeks for a reassessment. If certain lines are still visible or one side isn’t matching the other, your provider can add a few units at that point.
This conservative approach exists because there’s no way to remove Botox once it’s injected. You can always add more, but you can’t take it away. Starting low also gives your injector a baseline for understanding your individual muscle strength, which makes future treatments more predictable.
How Gender and Muscle Strength Affect Dosing
Men typically need 1.5 to 2 times the number of units women receive in the same treatment area. This isn’t arbitrary. Male facial muscles, particularly in the forehead, brow, and around the eyes, are thicker and generate stronger contractions. Where a woman might need 10 to 20 units for forehead lines, a man often requires 20 to 40 units for the same result. For crow’s feet, men may need 15 to 20 units per side compared to 10 to 12 for women.
Muscle strength varies among women too. If you’re very expressive, have deep-set lines at rest, or are physically active, you may land on the higher end of the dosing range. Someone with fine lines and lighter muscle movement will often do well with fewer units.
One interesting thing that happens over time: as Botox repeatedly prevents a muscle from contracting at full strength, that muscle can gradually thin out and weaken. Some patients who start with higher doses find they can maintain their results with fewer units or longer gaps between treatments after a year or two of consistent use.
When You’ll See Results
Don’t expect to walk out of the office looking different. Some people notice subtle changes within 3 to 4 days, but most first-timers see visible results around 10 to 14 days after injection. Maximum smoothing typically takes a full two weeks or slightly longer to develop. This is worth knowing because some people panic at the one-week mark thinking it didn’t work, then see the full effect kick in a few days later.
For first-time patients, results generally last 3 to 4 months before the muscle activity gradually returns. You’ll notice your lines starting to reappear as the effect wears off, which is the typical signal to schedule your next appointment.
Estimating Your Total Cost
Most providers in the U.S. charge between $10 and $25 per unit, so the math is straightforward once you know your unit count. A 30-unit first treatment would run $300 to $750 depending on your market and provider. A full upper-face treatment of around 64 units could cost $640 to $1,600.
Some clinics charge by area rather than by unit, which can work in your favor or against it depending on how many units you actually need. If you’re comparing prices, always ask whether the quote is per unit or per area, and how many units are included. A “forehead Botox” deal that includes only 10 units will look very different from one that includes 20.
Price per unit also varies by geography. Metropolitan areas and high-end practices tend to charge at the upper range, while smaller markets and medical spas may be closer to $10 to $15 per unit. The skill of your injector matters more than the price point. An experienced provider who places units precisely will give you a better, more natural result than a bargain treatment with poor placement.