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It’s been estimated that we spend an average of 3,000 hours brushing our teeth. In fact, in our daily routine, toothpaste is something we use at least twice a day. Making toothpaste is a very straightforward process; just mix together water, abrasives, humectants, thickening and foaming agents, sweeteners, and flavors in the right amounts until you get a paste. Once you have added the colors, you can fill a tube with your colorful toothpaste and seal it before being shipped to stores.

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So what goes into a tube of toothpaste?

Try reading the label on your toothpaste. What you’ll get is a very long list of ingredients and complicated names like trisodium citrate dihydrate or xantham gum. Some toothpaste even include preservatives such as methylparaben and Sodium benzoate. To keep it simple, let’s break these ingredients down into different categories; first, abrasives.

They are the building block of your toothpaste (30-60% of your final product). Abrasives are essential if you want to scrape food or plaque off your teeth, to prevent cavities or dental disease.

Abrasives, binding agents and humectants in toothpaste production

Thickening and binding agents give the product the right viscosity and keep the shape of the toothpaste when you push it out of the tube. Without them, you’ll have a watery, runny mixture. The third category is humectants, which help retain water and prevent the product from drying out. In addition, humectants are sweet, but not as sweet as sugar. For this reason, some manufacturers may decide to add sweeteners such as saccharine. Other ingredients include flavors, foaming agents, fluoride, and water.

Toothpaste making equipment – what do you need in your production line?

Once the chemical ingredients arrive at the plant, they are ready to be measured and weighed by a check weigher or any weighing equipment. Once you get the correct amounts, you can move on to the mixing step. You first mix the water, humectant (usually glycerin or sorbitol), and hydrophilic colloids (binders). The hydrophilic colloids swell in the presence of the water and are critical in preventing the separation of the solid and liquid phases. That is why a mixer is a crucial step in toothpaste production but also in emulsions, ointments, lotions as well as shampoo.

Now it’s time to add all the rest of the ingredients and mix everything together using a vacuum homogenizer mixer. Homogenization reduces the particles of ingredients by distributing them evenly in the liquid medium. Now it’s up to the imagination of the producers. Different coloring and flavoring agents can be added to the white paste – blue or green, mint or peach, you name it. If you want to stick to the white variety, it is the titanium dioxide that gives toothpaste its white color.

Everyone loves stripes – How to fill them in your toothpaste tube?

It’s been a while since Leonard Maraffino invented the first striped toothpaste; but since then, its popularity has only grown. Getting the stripes, as complicated as it may seem at first glance, is a very simple thing. After mixing, the toothpaste is sent to the filling station. One end is capped while the opposite end is left open for filling. The filling pump consists of three or four nozzles that inject a different color into the tube at the same time. Once the tube is filled, the machine crimps the end; so now you can pack the tubes in boxes and ship them.

Is there any difference between adult toothpaste and children’s toothpaste?

The answer is yes. Besides the thousands of colors, fruit flavors – kids aren’t super fans of mint – and fun packaging, the key difference between the two kinds of toothpaste is the amount of fluoride. Fluoride is a naturally occurring mineral that prevents tooth decay and helps tooth enamel to be stronger. However, if it is swallowed in large amounts, fluoride can become harmful. During teeth-forming age (8 or younger) children are also more likely to develop dental fluorosis. This is the appearance of white spots on the surface of the teeth, caused by fluoride exposure.

Toothpaste making process

Toothpaste filling process

Toothpaste making process

Processing toothpaste into tablet form

Around a tenth of a toothpaste tube is water in the liquid phase. Concerns about water use and transportation costs are spurring innovative products in the form of tablets. The formula typically includes anti-bacterial sweeteners like xylitol and an abrasive like precipitated calcium carbonate. Mix the base ingredients ratios of the formula. Bind the powder particles with a wet or dry agglomeration system to facilitate the processing of the toothpaste tablet. Agglomerates prevent sticking when the formula is sent for compaction and punched through the dyes.

Processing steps involved in toothpaste making

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