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Innovative solutions for health and wellbeing

Laboratorios LETI is a company with a global presence of reference in specialized segments of health and wellness, a leader through innovation and development of prestige products and brands.


LETIAT4 Defense, the revolution for atopic skins

April 21, 2016

After years of research LETI has created the first multi-protective barrier that specifically protects and repairs atopic skin against external agents. This means a revolution in the treatment of atopic skin and in the creation of a new category of products, namely multi-protectors.


In 1919 Dr. Pedro Domingo Sanjuán, Professor of Microbiology at the Universidad Autonoma de Barcelona, Spain and researcher at the Municipal Laboratory of Barcelona, Spain founded the Laboratorio Experimental de Terapéutica Inmunógena (LETI) for the development and production of vaccines. Today immunology, preventive medicine and biological products continue to be the main cornerstone of the company, although its scope and its product range have diversified considerably.