Tirtho Banerjee: Sindoor can cause local irritation and skin toxicity, says N. M. Khanna, an ex-Central Drug Research Institute scientist. The nature of sindoor or kumkum can change with exposure to the environment over time and this can result in blisters, itching, rashes, pigmentation and, at times, serious dermatological disorders.
Tirtho Banerjee: Sindoor can cause local irritation and skin toxicity, says N. M. Khanna, an ex-Central Drug Research Institute scientist. The nature of sindoor or kumkum can change with exposure to the environment over time and this can result in blisters, itching, rashes, pigmentation and, at times, serious dermatological disorders.