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Botox
Is it normal to have V formation in forehead 72 hrs after Botox?
Yes, this is a common and normal pattern at 72 hours. Botox takes about two weeks to reach full effect, and the frontalis muscle relaxes unevenly as the toxin diffuses, which can create temporary V- or M-shaped contours across the forehead as some fibers weaken before others. Raising your eyebrows exaggerates this because the untreated portions are still pulling harder than the treated ones.
Resist the urge to touch up early. Injecting more units before the two-week mark risks over-treating areas that would have settled on their own, which can lead to a heavy, frozen brow. If the irregularity when raising your eyebrows persists at the two-week mark, a small touch-up dose in the lower frontalis usually evens things out. Without seeing your specific pattern, general timing guidance applies, but a board-certified plastic surgeon can assess it directly at your two-week follow-up and adjust if needed.
Clinical Context
Botulinum toxin doesn't act all at once — it diffuses into muscle fibers and blocks nerve signals gradually over about two weeks. Until that process finishes, asymmetries like a V- or M-shaped forehead often reflect fibers still in the process of relaxing, not a treatment problem. This is why surgeons usually wait for the full two-week mark before judging symmetry or adding more product.
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