Do teeth whitening pens work?

Do teeth whitening pens work. Can you see a result in days like they say and if so which one do you recommend? e.g Brilliant,Pearl Drops or any other ones on the market
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The effectiveness of teeth whiteners pen is not as strong as strips or trays. This can be because the bleaching agents are weaker, the paint-on product is easily dislodged, or the treatment cycle is not long enough to affect a drastic change. Your teeth will have 1 - 3 shades light. if u must to use pen, suggest Celebrity Sexy Teeth BriteSmile ® Teeth Whitening Pen The 10 Best Selling Teeth Whitening Products At Home 1. Celebrity ® Sexy Teeth Pain-On 2. Rembrandt Teeth Whitening Strips 3. BriteSmile ® Teeth Whitening Pen 4. GoSMILE Teeth Whitening Pain-On 5. Crest Whitestrips Whitening Strip 6. Aquafresh ® Teth White Trays 7. Listerine ® Teeth Whitening Strips 8. Colgate ® Simply White Toothpaste 9. NovaWhite ® teeth whitening 10. Remedent Iwhite Light Activated kit http://www.teethwhiteningbest.com/teeth-…
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