Why do paper towels get pink when they get wet?

A new study published in the journal Science indicates that when you use paper towels to wipe your hands, you might be getting a bit of pink.

The pink particles are produced by the cells in the paper towels’ membranes, and the paper towel absorbs these particles.

The researchers examined the particles’ colors, looking for a trend that they believe is due to the paper fibers’ ability to absorb chemicals, such as hydrogen peroxide and benzene, which are used to treat bacteria.

The new findings were made possible by the work of scientists at Columbia University, the University of Oxford, the Massachusetts Institute of Technology, and other institutions.

Paper towels are widely used in hospitals, schools, and classrooms around the world, and their color is also used as an indicator of the type of paper they’re made from.

However, they’re often coated with chemicals to prevent the particles from sticking to the surface of the paper.

These chemicals include ethyl cellulose (a chemical that is used to make paper fibers), butylene glycol (used to make plastic), polyvinyl chloride (used for rubber), and polypropylene (used in polyurethane foam).

When the paper is soaked in these chemicals, the paper absorbs them, forming a coating that makes it more resistant to damage from bacteria.

It also makes the paper more likely to be washed with water to remove any residual chemicals.

When the scientists tested the particles on paper towels in various conditions, the researchers found that they tended to absorb the color of the fibers.

However if they were soaked in water, they were no longer absorbed.

This suggests that the paper particles are absorbing the colors because they’re being held in a chemical, instead of absorbing them as they’re actually being washed with the water.

In addition, the particles are less likely to get washed with a paper towel, which suggests they’re more likely absorbed as they get soaked in the chemicals.

This means that the color they absorb is actually a function of the chemicals in the water they’re in.

When it comes to the chemicals, this may be the case because they have different properties.

For example, ethyl acetate (an ethylene glycerin derivative), used to produce polyvinylethane (PVC), has a lower ability to dissolve in water than the polymer used in the polymer that makes paper.

The chemicals used to chemically treat bacteria in paper towels also have different chemical structures than those used in plastics.

For instance, ethylene acetate has a shorter chain of amino acids, which make it easier to break down into smaller particles.

This is because ethylene acetonitrile, a chemical commonly used in cosmetics and other manufacturing processes, breaks down to shorter molecules, which allows for a more efficient removal of chemicals.

Finally, plastics are generally made from a mixture of a number of different chemicals, which means that they can absorb different colors.

For this reason, some chemicals in plastics are not absorbed by the paper because they do not break down quickly enough.

This explains why some paper towels may show a pink color.

Researchers also tested the effect of soaking the paper in water on the particles, and they found that the particles absorb a significant amount of the color.

However when the paper was soaked in a solution containing only water, the colors remained the same.

The scientists say the new findings provide a way to better understand the chemistry of paper towels and could help manufacturers make products that are more environmentally friendly.

They suggest that these findings may help in the development of safer products.

The research was supported by grants from the U.S. National Science Foundation and the U-M Research Grant Program.

Source: University of Michigan Press, Science article