LETI Pharma, the Experimental Laboratory for Immunogenic Therapeutics, is an independent, family-owned, biopharmaceutical company. Since its creation, in 1919, LETI Pharma has been working in immunotherapy based on the use of allergens, applying principals of personalized medicine, and a patient approach keeping with the “One Health” philosophy. LETIPharma integrates two lines of business, and several areas of work: HUMAN HEALTH - Immunology and Allergy, centered on the production of allergen extracts for allergy diagnosis and treatment. - Dermatology and skin care, which centers its activity on the development of dermo-pharmaceutical products as well as other special products designed for personal care and treatment of skin abnormalities. ANIMAL HEALTH A line specialized in producing solutions for Veterinary Immunology and Dermatology for the prevention, diagnosis and treatment of the major immune-mediated diseases found in pets, like allergy and leishmaniasis. LETI Pharma is a Spanish multinational with solid international presence.