Some do, the good ones won't
Soap bars leave residue in your shower because it is not washed away. This residue has nowhere to go if not washed away.
Soap can leave residue if it is not properly rinsed off after use. Residue may also form if the water used to rinse the soap contains minerals or impurities that react with the soap molecules, creating a layer of film on surfaces.
Silicone does not have a taste, but it is often described as tasting like soap because it can leave a soapy residue when it comes into contact with saliva.
Liquid soap contains ingredients, such as glycerin, which can leave a sticky residue as it dries on surfaces. The residue is often a mix of soap molecules and water that becomes more concentrated as the water evaporates, leaving a sticky film behind. Using less soap or wiping the surface dry after use can help reduce stickiness.
Coconut is used in soap because of its hardness and moisturizing nature. It helps to make soap hard.
Actually, antibacterial soap and antibacterial sanitizers usually do about the same job on bacteria, killing roughly 99.99% of germs. But if its a question of which should you rather use, I would choose sanitizers because soap leaves nasty residue called soap scum which can make your hands feel greasy and disgusting:(
From watching the commercials on TV, I've figured that Dove has the best soap that doesn't leave residue or soap scum on skin. Dove has different types of soap too; one can use Dove for men too.
To remove sticky residue from leather, take plain dish soap and a wet rag. Add a dab of the soap to the rag and scrub away the residue.
Shower gel typically leaves less soap scum compared to bar soap. This is because shower gel is water-soluble and easier to rinse off, while bar soap can leave behind residue that contributes to soap scum.
Soap has polar parts and non-polar parts, and so does greasy dirt. The polar part of the soap bonds with the non-polar part of the dirt, and lifts it away.
Dish soap residue can be harmful to both health and the environment. Residue left on dishes can be ingested and may cause stomach upset or irritation. When washed down the drain, dish soap residue can also harm aquatic life and disrupt ecosystems. It is important to properly rinse dishes to minimize residue and choose environmentally friendly dish soap options.
Babies have much more sensitive skin than adults. A strong laundry soap might leave residue on clothes. THis residue could be uncomfortable or dangerous for a baby.