Oral Health

Evidence-based guides to bleeding gums, gum disease and bad breath — written from the clinical research, reviewed against what LACALUT® has learnt treating gums since 1925.

Whitening Toothpaste: What It Can And Cannot Do

Whitening Toothpaste: What It Can And Cannot Do

on Jul 16 2026
Whitening toothpaste works on one thing only: extrinsic stain sitting on the surface of your enamel. It does NOT bleach your teeth or change their intrinsic colour - and the three mechanisms it uses (abrasion, chemical stain dissolution and blue covarine optics) are not equally safe.