Alkylating agents can kill cancer cells but may cause skin and allergic reactions.
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December 1996 in “Seminars in Cutaneous Medicine and Surgery” Chemotherapy and cytokine therapy can cause various skin reactions, including hair loss and hypersensitivity.
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March 2017 in “Bone Marrow Transplantation” Some children who had stem cell transplants developed permanent hair loss, especially when treated with a drug called busulphan.
January 1990 in “Springer eBooks” Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.
March 1965 in “Hospital Topics” Chemotherapy provides symptom relief and extends life in 30-50% of gynecological cancer cases, but has only cured choriocarcinoma.