In order for a muscle to contract it requires a nerve signal. Botox® blocks this signal at the junction between a nerve and a muscle. Botox® relaxes the muscles underneath the skin that cause undesirable wrinkles.
Facial wrinkles occur as we continually use our muscle to make repeated facial expressions. Botox®relaxes the tiny facial muscles that cause expression lines, leaving the overlying skin smooth and unwrinkled. Once the muscle is relaxed, you cannot contract it. Thus, the lines gradually smooth out from disuse and new creases are prevented from forming
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