There are some mild paroxide teeth whitening kits, That do the job, My Ex used one and it worked great, but i don't remember the name of it. I'll ask her and post here tonight.

Enamel erosion F.T.W![]()
Just accept that as you age, your teeth go yellow?

Drinking no coffee/tea during the day and using pearl drops has helped mine a lot, it's slow but it is making a noticable difference.
Are there any teeth blackening kits? Look different...