Dynamic lines and wrinkles are caused by contractions of the delicate underlying muscles every time a face smiles, laughs or frowns.
Over time, constant and even sustained contraction of these muscles, may lead to more permanent lines and creases developing. With the advent of an approved drug, dynamic lines can be dramatically softened. The procedure, which uses a purified toxin produced by the bacterium Clostridium botulinum (Botox), is also termed cosmetic denervation.
Botulinum toxin has been used safely and successfully since 1982 by ophthalmologists to treat nervous twitching of the eyelid and lazy eye.Although used mainly as a line remover Botox has also been used successfully to combat the problem of excessive sweating of the underarms, palms and even soles.