research Chemoprevention of Smoke-Induced Alopecia in Mice by Oral Administration of L-Cystine and Vitamin B6 41 citations , March 2007 in “Journal of dermatological science” Taking L-cystine and vitamin B6 can prevent hair loss caused by smoke in mice.
research Common Dermatologic Disorders in Down Syndrome: Systematic Review 10 citations , February 2022 in “JMIR Dermatology” People with Down syndrome often have skin issues and need regular check-ups for early treatment.