September 2016 in “Journal of dermatological science” The conclusion is that the variation in hair thinness in patients is mostly due to the amount of underdeveloped hairs, and treatments that thicken fine hairs might work for those with mild to severe conditions.
July 2025 in “Frontiers in Medicine” Mutations in the LIPH gene cause woolly hair in a child.
August 2016 in “Journal of Investigative Dermatology” Researchers found a new genetic mutation linked to a hair condition in a Japanese boy.
November 2025 in “Clinical Cosmetic and Investigational Dermatology” LIPH mutations cause woolly hair in some Chinese people.
March 2022 in “Journal of cosmetic dermatology” Botanical extracts can help treat hair loss in people with certain genetic conditions.