Brow Lift FAQs

For a chemical brow lift, Botox goes into the muscles that pull the brow down: the corrugator and procerus between the brows, and the upper-outer fibers of the orbicularis oculi just above the brow tail; usually 4-8 units per side. The forehead muscle is deliberately spared.

The lift works by subtraction. Relaxing the brow depressors lets the frontalis (the only brow elevator) lift with less resistance, producing roughly 1-3 mm of elevation, mostly at the outer brow. That's why heavily treating the forehead cancels the effect and can drop the brow instead: the two goals compete, and balancing them is the whole skill. Injection points stay above the orbital rim and at least 1 cm above the brow, since product tracking downward is what causes a drooping eyelid. This is an off-label technique (Botox is approved for the lines in these areas, not for brow elevation), and it is legal and routine. Effect appears at 10-14 days and lasts 3-4 months.

A Botox brow lift usually takes 4-8 units per side: a few units into the tail of the outer eye muscle above the brow, plus 15-20 units into the frown-line muscles between the brows. The forehead gets little or nothing. Expect about 1-3 mm of lift.

Your exact dose depends on where your brows sit, how strong your depressor muscles are, and how much you rely on your forehead to hold your brows up. The single biggest mistake is over-treating the forehead: it's the only muscle that lifts the brow, so relaxing it reverses the intended effect and can leave the brow heavier than before. Uneven dosing of the outer forehead produces a peaked "Spock" brow, corrected with 2-4 units. This is an off-label technique: legal and routine, but not FDA-standardized, so dosing varies between injectors. Reassess at 14 days; results last 3-4 months. If your brows are already low with significant eyelid hooding, a surgical brow lift is the more honest option.

A Botox brow lift uses three site groups: the procerus at the bridge of the nose, the corrugators just above the inner brows, and the tail of the orbicularis oculi about 1 cm above and lateral to the outer brow; typically 4-8 units per side, plus 15-20 in the glabella.

All of these are brow depressors. Relaxing them lets the frontalis (the sole brow elevator) lift unopposed, giving roughly 1-3 mm of elevation. The frontalis itself is spared or dosed very lightly, since treating it heavily cancels the lift. Sites are mapped while you frown, squint, and raise your brows, because the pattern differs person to person. The safety rules are firm: stay at least 1 cm above the brow and outside the orbital rim; injecting too low or too deep is what causes a drooping eyelid, and uneven treatment of the outer forehead produces a peaked "Spock" brow. This is an off-label placement of an FDA-approved drug: legal, common, but not FDA-standardized.

A Botox brow lift raises the brow roughly 1-3 mm: enough to open the eye and look more rested, not enough to replace surgery. Before-and-after photos show a slightly higher, more arched brow tail at 14 days. Results last 3-4 months. This is an off-label technique.

The lift comes from relaxing the muscles that pull the brow down (the corrugator and procerus between the brows, plus the tail of the orbicularis oculi above the outer brow (about 4-8 units per side)), so the frontalis lifts with less resistance. The forehead itself is treated lightly or not at all, because over-relaxing the frontalis cancels the lift and can drop the brow instead. Judge results at day 14, not before. Be skeptical of dramatic before-and-afters: brow position, camera angle, and lighting all shift the apparent result. If your brows sit low with significant eyelid hooding, a surgical brow lift is the honest answer: Botox can make heavy brows heavier.

The common failures are the opposite of what you wanted: heavy, drooping brows from too much forehead Botox, or an over-arched "Spock" brow from uneven outer dosing. Both are temporary. Spock brow is fixable with 2-4 extra units; brow droop resolves in 4-8 weeks.

Other outcomes include side-to-side asymmetry and, less often, a drooping upper eyelid if toxin tracks down through the orbital septum: that resolves in roughly 3-6 weeks, and apraclonidine eye drops can temporarily lift the lid in the meantime. There is no antidote for Botox; correction means waiting, or adding a small rebalancing dose. Causes are consistent: injecting too close to the brow, over-treating the frontalis, or failing to assess baseline brow position. Higher-risk patients are those with naturally low or heavy brows, excess upper-eyelid skin, or an age-related habit of holding the brows up with the forehead. Prevention is careful assessment plus conservative dosing, with a review at two weeks.