Maruho is a Japanese pharmaceutical company that specializes in dermatology. Founded in 1915, the company has a focus on developing and producing dermatologic drugs and treatments for various skin conditions such as atopic dermatitis, psoriasis, acne, and other inflammatory skin disorders. Some of their key products include topical steroids, immunomodulators, and skincare products. Maruho is dedicated to advancing the field of dermatology by conducting research and clinical trials to bring innovative treatments to patients worldwide.