International Ectodermal Dysplasias Awareness Day is observed worldwide every February 20. Established in 2020, this day aims to support patients affected by ectodermal dysplasias (ED), a group of genetic disorders impacting the development of structures such as hair, nails, skin, sweat glands, salivary glands, and teeth. Symptoms of ED can vary widely and may include fine or absent hair, brittle nails, dry skin, reduced sweat production, and dental issues. Since there is no cure for ED, treatment focuses on managing symptoms through a multidisciplinary approach, which may involve dentures, topical treatments, and therapy. People participate by learning about ectodermal dysplasias, sharing information, wearing blue to initiate conversations, and donating to relevant organizations.