Colgate is a good and famous brand and it is launched different types of product of toothbrush. zig zag is a famous product of colgate. its structure is zig zag and for this reason all around are cleanliness.
I think it is test less because it is only brush not a colgate. Colgate zig zag brush is make of a good quality of polymer. it has been designed by checking in advance. so, it is not bad effect on health.
Actually colgate tooth brush is very cheap and good producer and it is available every where in a village, city or town.
And I think it is affordable for every person its prices is only 20 rupees and I am using this product last six month.