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clean your teeth with cat vomit, twice a day, every day.

Dip a cotton ball into the lemon juice and baking soda solution and apply it to your teeth. Let the lemon and baking soda solution sit on your teeth for around a minute. Brush your teeth to remove the acid. I saw results the first time I tried this.

from Criatives | Blog de Arte, Design, Criatividade e Inspiração

34 invenções geniais de acessórios

Something like this is great for kids who don't brush their teeth often. There could be great marketing with characters for this.