![I've only just realised that the blue colour from my toothbrush wares away so you know when to change it : r/mildlyinteresting I've only just realised that the blue colour from my toothbrush wares away so you know when to change it : r/mildlyinteresting](https://i.redd.it/emlkn375zey41.jpg)
I've only just realised that the blue colour from my toothbrush wares away so you know when to change it : r/mildlyinteresting
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Replacement Brush Heads for Oral B Compatible Electric Toothbrush Heads, Including 4 Precision, 4 Floss, 4 Cross and 4 Whitening - 16 Variety Pack : Amazon.co.uk: Health & Personal Care
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Oral-B Pro 3D White Electric Toothbrush Head, X-Shaped Bristles And Unique Polishing Cup For Teeth Whitening And To Remove Surface Stains, Pack of 4 Toothbrush Heads, White : Amazon.co.uk: Health & Personal
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