How effective and quick is it?
The 20 minute prowhitening procedure is very effective for teeth that have been stained by ageing or consumption of staining substances such as coffee, tea, colas, tobacco, red wine, etc. It also whitens teeth discolouration by medicines, such as tetracycline, antibiotics or excessive fluoride. The degree of whiteness will very from person to person, depending on the structure of the teeth. We guarantee 2-6 shades lighter!
