Are all tooth whitening kits as effective? Do they all put the same ingredients in the product?

At the discount store they have tooth whitening kits with the gel and mouthpiece for a dollar, and then at the more higher end stores they have them there but for about 30 - 70 $ per kit, the ingredients are the same , I think ?

The ones that work all use hydrogen peroxide or carbamide peroxide. Higher concentration = less time to be effective. Carbamide peroxide works with the saliva in your mouth to become hydrogen peroxide at a lower concentration – it takes about 2.76% carbamide peroxide to equal 1% hydrogen peroxide. That means a 10% carbamide peroxide gel is really about 3.6% hydrogen peroxide. Look at the concentration when you’re comparing.

Another thing to look at is quality. Be careful the discount stuff you’re talking about isn’t expired and that it comes from a reputable company. Peroxide does degrade over time and won’t be as effective. Also, there are a lot of scam companies capitalizing on Tooth Whitening. Make sure it’s from a company that is accountable for their product and has a real address and phone number to contact if there are problems. Worse case is the discount stuff from a scam company is contaminated or isn’t effective at all. You would be on your own if things went terribly wrong. You are, after all, putting a bleaching agent in your mouth and it can come into contact with the membrane. So be careful when choosing.

3 comments Click to reply »

liltunergirl February 7th, 2010

Some have more or less whitening effects. I have a discounted one with the gel and mouthpiece and it works great. I paid $4 for it. Just make sure it isn’t expired! The best ones though are the ones you get right from the dentist but if you cannot afford that like myself, these less effective ones still work, just takes longer.
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amdyoung February 7th, 2010

When you are at the store look at the ingredients on the packaging… the higher the bleach percentage the faster it works. I used crest whitening strips and they worked well… but ended up irritating my gums. If you have the money get the in office treatment. ZOOM. It has a higher concentration and works instantly.
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ickysmits February 7th, 2010

The ones that work all use hydrogen peroxide or carbamide peroxide. Higher concentration = less time to be effective. Carbamide peroxide works with the saliva in your mouth to become hydrogen peroxide at a lower concentration – it takes about 2.76% carbamide peroxide to equal 1% hydrogen peroxide. That means a 10% carbamide peroxide gel is really about 3.6% hydrogen peroxide. Look at the concentration when you’re comparing.

Another thing to look at is quality. Be careful the discount stuff you’re talking about isn’t expired and that it comes from a reputable company. Peroxide does degrade over time and won’t be as effective. Also, there are a lot of scam companies capitalizing on tooth whitening. Make sure it’s from a company that is accountable for their product and has a real address and phone number to contact if there are problems. Worse case is the discount stuff from a scam company is contaminated or isn’t effective at all. You would be on your own if things went terribly wrong. You are, after all, putting a bleaching agent in your mouth and it can come into contact with the membrane. So be careful when choosing.
References :

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