Botox - botulinum toxin type A is used for smoothing wrinkles and work on their main cause - mimic muscles. It is introduced by injections of botulinum toxin which chemically blocking the connection between nerves and muscles for a limited time. Botulinum toxin blocks the nerve impulse, and ensures it does not reach into the muscle ( and thus prevents shrinkage). This treatment is most often used for smoothing various types of wrinkles. Injections of botulinum toxin requires adequate knowledge and precision, and can therefore be performed only by a trained physician. The procedure is fast and virtually painless. Its effect lasts for about six months, and the first results are noticeable after 2-3 days. After about half a year the treatment should be repeated. According to doctors, Botulinum toxin type A (Botox) is in completely safe, its effect is fully reversible and it does not cause side effects.