New Delhi, Dec. 1 -- When your washing machine suddenly starts giving off an unpleasant smell, it can be confusing especially when the odour clings to freshly washed clothes. Cleaning professionals say it happens far more often than you think, and the cause usually lies inside the machine itself. From detergent residue to hidden mould, several issues can trigger musty or egg-like smells. Here's what appliance experts say about what creates these bad odours and how to restore a fresh, clean wash.

Your washing machine is likely one of the most frequently used appliances at home, and all that usage takes a toll. Olivia Young, cleaning expert and Product Development Scientist at Astonish, told Woman&Home that the machine gradually traps resi...