London: A research conducted on the occasion of National Eye Health Week has revealed that women tend to use eye make-up products beyond their expiry dates.

The research, which was carried by eye hospital group Optegra, reveals that 70 percent of British women use over a year old mascara, while the use-by date is just four months. It also said that and one-in-five don’t even realise there is a recommended use-by date on make-up products.