Popular hypoallergenic shampoo recalled over fears it could cause ?significant infection or illness?

A batch of a popular shampoo has been urgently recalled by its manufacturer over concern it may be contaminated with a bacteria that can "cause significant infection or illness".

Product Safety Australia issued a recall notice for the A'kin shampoo, manufactured by McPherson's, which is marketed as fragrance free, "natural" and "mild".

A McPherson's spokesperson said on Thursday the manufacturer had contacted retailers with instructions to remove the impacted batch of Akin Fragrance-Free Mild and Gentle Hypoallergenic Shampoo 225mL from shelves. The company urged customers who purchased the product between 1 September and 11 October "to review the product label".

"Bottles that should be recalled can be identified by the AW1B01 batch number," the statement read. "Customers in possession of this batch should immediately stop using the product and return it to the place of purchase for a full refund."

There is concern the product is contaminated with Enterobacter gergoviae, a bacteria sometimes found in cosmetics products that is resistant to several antibiotics, including penicillin.

"Cosmetic products contaminated with Enterobacter gergoviae may cause significant infection or illness, especially if the user is immunocompromised," Product Safety Australia said in a statement.

"Extensive testing has indicated that no other batches or products in the Akin range have been impacted and are safe for use."