This is not a good product.All the shades are really a shade of yellow.My teeth are already whiter than any of the shades on here.It was pretty cheap, so I'm going to let it go.Otherwise, I would totally return this.The Opalescence company really makes some great products, so this is a surprise.Upsettig fail for this one though.
The chart did not give any directions; whether to compare up or down, front or backor what each shade represents.Hey it was only a penny so, I can't complain too much.The different shades don't realy seem that different to me though...I think the color white is missing from the scale too.They all seem like yellow teeth to me; some just more yellow than others.
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