Why some detergents make fecal odors linger

When it comes to laundry, one of the most frustrating issues is when detergents seem to make fecal odors linger on clothes. This problem can be particularly bothersome for parents dealing with soiled diapers or anyone who has experienced the unpleasantness of lingering odors in their laundry. So, why does this happen?

Firstly, the type of detergent used can play a significant role. Some detergents, especially those that are not designed to handle tough odors, might not fully eliminate the organic matter that causes these smells. Instead, they might mask the odor temporarily, only for it to return once the clothes are dry. This is because the detergent might not be effective at breaking down the proteins and fats found in feces, which are the primary sources of the odor.

Another factor is the amount of detergent used. Using too much detergent can lead to residue buildup on fabrics. This residue can trap odors, making them seem like they are coming from the detergent itself. On the other hand, using too little detergent might not be enough to fully clean the clothes, leaving behind odor-causing particles.

The material of the clothes also matters. Synthetic fabrics tend to retain odors more than natural fibers like cotton. This is because synthetic materials can trap particles and moisture, creating an environment where bacteria and fungi thrive. These microorganisms are responsible for breaking down organic matter and producing the foul smells associated with fecal odors.

Lastly, washing and drying practices can significantly impact how well odors are removed. Washing clothes at temperatures below 60°C might not be enough to kill bacteria that contribute to odor formation. Similarly, not drying clothes properly can lead to moisture retention, which fosters the growth of bacteria and fungi, exacerbating the odor problem.

In summary, the lingering of fecal odors after using certain detergents can be attributed to a combination of factors, including the type and amount of detergent used, the fabric type, and washing and drying practices. By choosing the right detergent and following proper laundry techniques, you can reduce the likelihood of these unpleasant odors persisting.