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Botulinum toxin is a molecule naturally secreted by the bacteria Clostridium botulinum, which is toxic for the nervous system. Indeed, it is capable of blocking communication between the nerve and muscle fibres, which paralyses the muscles.
However, used in tiny doses, it can have therapeutic and aesthetic purposes. That is the case with commercialised products, manufactured from the refined and purified forms of botulinum toxin.
The United States authorised its use in the treatment of frown lines in 2002. France gave its authorisation the following year for the same type of usage. Since then, botulinum toxin has become the ‘’star’’ of aesthetic procedures.
Relax the muscles
Botulinum toxin is locally injected around the frown lines, the forehead and the crow’s feet to temporarily paralyse the action of the muscles. This improves or even eliminates the expression wrinkles that give a severe and aged appearance to the face. The botulinum toxin lasts for between 4 and 6 months, time after which it is possible to renew the injections.