How Does Botox Work?
Botulinum toxin or Botox works by blocking the release of a specific type of neurotransmitter, or chemical messenger in your body. These neurotransmitters carry signals from neurons (nerve cells) to other neurons, gland cells, or muscle cells which tell those muscles to contract.
Because Botox prevents the release of these signals, it stops specific muscle or a group of muscles from moving. In other words, Botox temporarily weakens or reduces movement in targeted muscles, the muscles that form wrinkles.
Once those muscles are weakened, the skin above them appears smoothed or relaxed, thus minimizing the appearance of wrinkles. If administered correctly, Botox will not prevent you from expressing yourself. Rather, it will stop overactivity in a targeted area(s).
Botox is most frequently used to treat dynamic wrinkles, one of the two types of wrinkles. Dynamic wrinkles are lines or folds on your face which come from expressing emotions such as excitement, sadness, surprise, or confusion. Dynamic wrinkles are most visible when you are doing things like smiling, frowning, or squinting. While those lines may disappear after you make an expression, over time the repeated muscle movements will cause dynamic wrinkles to become static wrinkles.
Static wrinkles are finer lines resulting from the loss of skin elasticity. Your skin elasticity diminishes with age and your skin’s collagen begins to break down. Static wrinkles are typically treated with injectable dermal fillers rather than Botox.