Colgate is a very good tooth paste.It have good calcium level that protects our tooths from cavities and sensitivity.It does not harms our nerves like other toothpastes do.we can use it for long years without any problems.This toothpaste can be used for all ages without any doubt.The salt content in the paste gives you freshness and rid from germs.It decreases the bad smell and also strengthens our teeth.whitens our tooth and gives us bright and beautiful smile all along the day.Brushing two times a day will gives you long lasting and strong teeths.