You can throw all the glittery gloop you want on your lips, but if your teeth are more gross than gorgeous, you might want to do a little cosmetic work on them.
A cheaper option than shelling out wads of cash on whitening at the dentist would be Pearl Drops Party Sparkle Tooth Polish.
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It helps to instantly remove discolouration on teeth due to tings like red wine, coffee and the demon fags, and that'll give you an immediate boost. It's cheap too - about six quid from Boots.