Hyperactivity of facial expression muscles often result in the development of deep frown lines, forehead lines and crow’s feet.
Botulinum toxin (sometimes known as Botox) interrupts nerve impulses to those muscles, therefore relaxing them, which prevents frowning and reduces lines.
Treatments will last 3 to 4 months depending on the individual and may then be repeated. This treatment can take a week or two to show its full effects.
Dysport / Azzalure (This is the UK equivalent of Botox, which is made in the US).