I have naturally yellowish teeth. Not terrible but not great. Have tried crest strips (not very noticeable for me although some improvement) and Zoom whitening which didn’t work as apparently it’s my dentine which is yellow rather than the enamel.
Has anyone tried 3% HP? I’ve seen great results online from people painting on the solution with a cotton bud and then brushing it off but I’d be worried about damaging the enamel.
I bought some 3% and have read you can use it neat as a mouthwash? Or I could dilute it and paint it on?
Any dentists willing to advise? Thanks!