Overview

• Doctors at Zhengzhou People's Hospital diagnosed the 20-year-old, identified as Hua, with kidney inflammation after symptoms including red leg spots, joint pain, and stomach ache.
• Treating physician Tao Chenyang said she dyed her hair about once a month to mirror a favorite celebrity, leading to repeated chemical exposure he believes contributed to the illness.
• Tao cautioned that many hair dyes may contain toxic substances such as lead and mercury that can harm kidneys and raise cancer risk.
• The celebrity’s identity was not disclosed, while online discussion highlighted K-pop style cycles and questioned fandom-driven color changes.
• Reports cited prior studies on long-term dye exposure and relayed advice to reduce frequency, check ingredients, ensure ventilation and protective gloves, and choose less harmful products.