China's first liquid condom went on sale today after the country's health and drugs administration formally gave the hi-tech prophylactic the thumbs-up, the China Daily reports.

Dubbed the Nanometer-silver Cryptomorphic Condom (NCC), it's designed for female rather than male usage. The condom-in-a-can is essentially an antiseptic foam spray that the manufacturer claims forms a physical membrane inside the vagina, protecting it from infection, acting as a barrier to pregnancy and providing a lubricating effect.
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It's not known who makes the NCC, but Beijing-based Chinese-Canadian condom maker Blue Cross Biomedical has been touting something along these lines for a while now. It maintains its spray-in condom "can effectively kill gynaecological disease pathogens such as staphylococcus aureus, Candida, coliform bacillus, and can prevent sexually transmitted diseases.