September 2023 in “Cutis” A baby girl has a hair disorder called monilethrix, causing fragile hair that may improve over time.
A 5-year-old girl has sparse, dry, and brittle hair but is otherwise healthy.
August 2016 in “Journal of the American Academy of Dermatology” The infant likely has Hay-Wells syndrome and needs genetic testing and heart screening.
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March 2017 in “Sultan Qaboos University medical journal” An infant had two different natural hair colors on the scalp with no health issues.
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November 2010 in “Pediatric dermatology” An 11-month-old girl has no scalp or body hair, and the cause is being studied.