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El libro "Toxina botulínica. Procedimientos en dermatología cosmética", editado por Alastair Carruthers y Jean Carruthers, aborda a fondo los avances en dermatología estética, con un enfoque particular en los neuromoduladores. Este campo se ha vuelto esencial en el ámbito cosmético, y la quinta edición se presenta como una guía actualizada que explora nuevas moléculas y aprobaciones de toxina botulínica tipo A (BoNT-A), así como desarrollos significativos en el uso clínico de estas sustancias. La obra se estructura en tres partes principales: ciencia básica y uso clínico de los neuromoduladores, lugares de inyección de neuromoduladores y orientaciones futuras para los neuromoduladores estéticos. La primera sección incluye capítulos que abordan la actualización de los usos no cosméticos de las neurotoxinas botulínicas, la historia de la toxina botulínica cosmética y la farmacología de BOTOX® Cosmetic, entre otros. La segunda parte se centra en los lugares específicos de aplicación de neuromoduladores, como el tratamiento de líneas glabelares, frente, patas de gallo, entre otros. Un componente innovador de la quinta edición es la inclusión de contenidos de video que complementan la información teórica con demostraciones visuales de procedimientos y técnicas. Además, se abordan aspectos futuros de los neuromoduladores estéticos, como la inmunogenicidad de estos compuestos y las tendencias emergentes en medicina estética. Los colaboradores de la obra son expertos destacados en dermatología y cirugía estética, lo que garantiza un enfoque práctico y basado en la experiencia clínica. Se destaca la importancia de los neuromoduladores en el concepto de "prejuvenecimiento", especialmente entre la generación millennial, que ve estos tratamientos como parte integral del bienestar y el cuidado personal. En resumen, esta quinta edición proporciona una visión completa y actualizada de la dermatología estética, centrándose en los neuromoduladores y su papel central en el campo cosmético. Con una estructura clara y aportes de destacados profesionales, la obra se posiciona como una valiosa referencia para dermatólogos, cirujanos estéticos y aquellos interesados en los procedimientos no invasivos para mejorar la apariencia y prevenir los signos del envejecimiento.