How does BOTOX® Cosmetic work?

In laypersons terms, BOTOX® simply keeps the muscles that cause frown lines from contracting. This causes the skin to become smoother. Normally your brain sends electrical messages to your muscles so that they can contract and move. BOTOX® keeps that message from getting to the muscle that causes the wrinkles.

Technically, BOTOX®® Cosmetic is injected directly into the corrugator and procerus muscles. It then goes on to enter the nerve endings to block the release of acetylcholine, the chemical that causes muscles to contract. BOTOX®® works to block the release of acetylcholine and, as a result, the muscle doesn't receive the message to contract. Once the muscles are at rest, the skin becomes smoother, creating a more natural and relaxed appearance.

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