I refuse to use any other toothpaste other than the 3D white! My family loves to use it, of course for the whitening part! I haven't noticed a HUGE difference but I'm okay with it because I'm afraid of my teeth getting too sensitive from bleach. It is meant to remove surface stains from coffee and food dye, but if your problem is more internal then it can't be helped! I know poor diets and lifestyles play a factor in yellowing teeth, perhaps smoking as well so it's something the toothpaste can't fix. Maybe not a huge difference for me but I will still play the extra bucks for this brand forever!