1. A method of cosmetic treatment of a human or animal face, comprising administering an effective amount of a neurotoxic component of the botulinum toxin complex of clostridia to a specified person or animal, which reduces or prevents side effects known as a frozen face or puppet face. ! 2. The method according to claim 1, in which the person or animal has already received treatment with a complex of botulinum toxin and suffered from the effect of a puppet face or a frozen face as a result of said treatment with a complex of botulinum toxin. ! 3. The method according to claim 1 or 2, in which cosmetic treatment of the face is smoothing lines or wrinkles of the skin of the face. ! 4. The method according to claim 1 or 2, in which the person or animal received treatment with a complex of botulinum toxin to smooth lines or wrinkles of the skin of the face. ! 5. The method according to claim 4, in which the facial line or facial wrinkle is selected from the group consisting of inter-eyebrow-glabellar lines, inter-eyebrow lines of transverse wrinkles on the forehead, vertical wrinkles from the corners of the lips to the chin, longitudinal wrinkles on the forehead, “crow's feet” , nasolabial folds, folds between the lip and chin, sagging cheeks and / or neck folds. ! 6. The method according to claim 1 or 2, in which the neurotoxic component is administered via intramuscular or subcutaneous injection. ! 7. The method according to claim 6, in which the neurotoxic component is injected directly into a line or wrinkle of the skin of the face that needs to be smoothed out. ! 8. The method according to claim 6, in which the neurotoxic component is injected directly into or into the adjacent area of one or two facial muscles or muscles involved in the formation of lines or wrinkles of the skin that need to be smoothed out. ! 9. Spos1. Способ косметического лечения лица человека или животного, включающий в себя введение эффективного количества нейротоксичного компонента комплекс