A biopharmaceutical company that researches, develops, and provides treatments in the fields of immunology, oncology, cosmetics, neurology, and ophthalmology. In addition to providing medicines for rheumatoid arthritis, psoriasis vulgaris, chronic lymphocytic leukemia, ovarian cancer, chronic migraine, and other conditions, as well as Botox cosmetics and many other treatments, the company is also conducting clinical trials for non-segmental vitiligo and atopic dermatitis. Founded in Delaware.