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Most foreheads use 10–20 units of onabotulinumtoxinA, split into small points after an exam and facial mapping.

Most people land between 8–24 units total, with the final number set by which muscles crease when you smile.

Chronic migraine Botox is usually 155 units in 31 sites every 12 weeks, with up to 195 units when extra sites match your pain.

Most foreheads take 10–20 units for horizontal lines, with the final dose shaped by muscle strength, line pattern, and brow position.

Many adults land near 20 units for frown lines between the brows, with the final number shaped by muscle strength, anatomy, and how much movement you want to

Most adults start with 20–60 units split across treated areas, then fine-tune at a follow-up once the first result settles.

Many adults take 300–500 mg extract 2–3 times daily, often totaling up to 1,000 mg per day.

Most Bosley options range from $42.50/month for Rx topicals to $4,400–$12,000 for transplant work, with your quote set by your hair-loss pattern.

Most adults keep total boron under 20 mg/day; many supplements sit at 1–3 mg/day.

A large chicken egg usually has around 0.01–0.06 mg of boron, so eggs add only a small slice to daily boron intake.