What indicates different colours on toothpaste?
Everybody uses toothpaste daily at home. We all brush our teeth every day. You might have seen different colour strips in the lower part of the toothpaste. Have you ever thought about what it indicates? If yes, then today, we are going to tell you what it is for and why?
1) Black colour - According to scientists, if black colour strip is seen in the toothpaste, then it means that this toothpaste has got a lot of chemicals and it is completely made of chemicals.