Skin color is determined by pigment (melanin) made by specialized cells in the skin called melanocytes. The amount and type of melanin determines a person's skin color.
Melanin gives color to the skin, hair, and the iris of the eyes. Levels of melanin depend on race and amount of sunlight exposure. Sun exposure increases melanin production in order to protect the skin against harmful ultraviolet rays. In addition, hormonal changes can affect melanin production.
The Division of Dermatology at Children's National Hospital continues to expand services as more families seek our expertise in the diagnosis and treatment of disorders of the skin, hair and nails.
Invest in future cures for some of life's most devastating diseases
Share your birthday with a child. Celebrate your life, and give a chance to someone who desperately wants to have as many as you.
Sometimes a mom’s intuition is all it takes to get her child to the right physician. When 8-year-old Xavion Chisley developed a fungal infection on his toe, his mother, Nikki, immediately took him to see a dermatologist who removed his toenail to treat the infection. However, when Xavion’s toenail grew back, the infection had not diminished but actually appeared to be spreading to his foot.
Read More of Xavion's Story
Children’s National Hospital is one of 47 sites in the United States with a clinic devoted to the treatment of tuberous sclerosis (TSC). We treat our children who are diagnosed with TSC, and continue to provide consultation with primary care physicians and some outpatient services for our patients into adulthood.
The Vascular Anomalies Clinic brings all of the necessary pediatric specialists together -- in one place -- for individual evaluation and treatment of children with vascular anomalies.
Northern Virginia Magazine has named more than 45 Children’s National Health System physicians to their list of 2015 “Top Doctors.” The leading pediatric physicians included in this elite list represent many specialties within Children’s National including Cardiology and Cardiac Surgery, Endocrinology, Hematology/Oncology, Neonatology, Otolaryngology, Urology, and Surgery.