great coincidence,3 days and I've been rubbing a powdered pill made from calcium, mag, d3, K2 combo on my teeth several times a day after everything I eat.
the whitening effect is noticeable and bio-film comes off easily. I think a pearly like effect is happening on the opaque parts.
the whitening effect is noticeable and bio-film comes off easily. I think a pearly like effect is happening on the opaque parts.