How can I get rid of white circles on vinyl flooring?

SRed
by SRed

I have luxury vinyl flooring in my kitchen and about 15 white circles have appeared in different areas of the flooring. It looks as if the vinyl has faded. I have the grey"distressed" planks but I instantly see the circles as soon as I walk into the kitchen. I have tried toothpaste, fairy liquid and bicarbonate of soda but nothing works. I'm not sure what's causing it but driving me mad. Any ideas what I could do to get rid of circles?

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