"Bacteria that can cause illnesses ranging from skin infections to blood poisoning if used near eyes, mouth or cuts or grazes were found in nine out of ten of the products," Science Daily wrote.
The biggest collector of these superbugs were makeup sponges, which are often left damp after being used, making them an ideal breeding ground for bacteria.
Contamination was also found on mascaras and lip glosses, the researchers said.
"More needs to be done to help educate consumers and the make-up industry as a whole about the need to wash beauty blenders regularly and dry them thoroughly, as well as the risks of using make-up beyond its expiry date,” Bashir wrote.
The research was published this week in the Journal of Applied Microbiology.
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