Colgate Max White Overnight Teeth Whitening Serum - Home Teeth Whitening Pen - Reverses 15 Years of Stains* While You Sleep - New and Improved Applicator - Enamel-Safe - Easy to Use

For someone who has tryed so many thing's to get their teeth back to the normal colour (without smoking, lot of coffee at point's) over the years my poor old teeth took alot and was quite embarrassed as alot of people would be, eventually after so many things brought I got this peace of kit AND Wow what this product has done to my teeth in I think we worked it out to be the 6th day and 50%of my front top and bottom were getting back to there colour again, as we all know we can never achieve our true colour back, but this has impressed me so much and who ever say's it doesn't work are obviously not doing something right, it's so simple!! YOU'D BE GLAD YOU TRYED IT😁, do not get near gun's as it will burn, top product would recommend great value for it's money💵👌😁😊

Unfortunately didn't work well for me. I'd say value for money and size would be good if it worked but the quality of the product seemed very cheap and didn't work. It turned all stringy and didn't stick to my teeth well, not sure if that's because I applied it wrong but me and my partner tried multiple ways and it didn't work. Seemed easy to use and looked nice, but wouldn't rebuy. I'd imagine the whitening effect would be good with me using the colgate toothpaste with the same design. Size seems reasonable for the price.

Does whiten teeth with regular consistent usage but after you stop using it the teeth do darken a little pretty much straight away but not as dark as start. Went to an a2 colour but couldn’t really get it lighter with this.

Rubbish! Don’t waste your money! Leaves a nasty film on the teeth. Mine went straight in the bin!!!

i’m in shock ?? i applied and noticed a direct whitening effect in front of my eyes, not sure why the products not working for some people must not be using it correctly you need too DRY the teeth before applying the product and then leave it overnight for it to act on the teeth overnight for the full time you sleep, brushed off in the morning my teeth overall are already a shade whiter, from one nights use, amazing, if you have stained yellow teeth from smoking / coffee stains this works very very well when used per the instructions ! :))

I used this product exactly as instructed for three consecutive nights, hoping to see some whitening effects. Unfortunately, I didn’t notice any change in my teeth shade. The application was easy and didn’t cause any sensitivity, but the lack of results was disappointing. It might work differently for others, but for me, it didn’t deliver.

Worked overnight the first time. My Teeth were badly stained with Coffee Tea and Wine now they are brilliantly white so pleased would highly recommend easy to apply no mess or taste.

This product is not as a dream solution as most might think it is. The application is pretty annoying but it'll do. One of my complaints is that during the process, I would wake up with extremely white spots on my teeth, however this was not my teeth getting white but just the cristalized cerum on my teeth, which I could only remove by picking at it with my nails. If I'm being honest, Im not sure it's worth your money.